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Clayman, Ralph V

TitleProfessor
InstitutionUniversity of California, Irvine
DepartmentUrology
Address1001 Health Sciences Road
CA 92697-3950
Phone(714) 456-6849
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Patel RM, Parkhomenko E, Kaler KS, Okhunov Z, Clayman R, Landman J. Renal mass biopsy: an oncological conundrum. Curr Opin Urol. 2018 Jul; 28(4):360-363. PMID: 29851416.
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    2. Tse C, Patel RM, Yoon R, Okhunov Z, Landman J, Clayman R. The Endockscope Using Next Generation Smartphones: "A Global Opportunity". J Endourol. 2018 Jun 02. PMID: 29860870.
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    3. Kaler KS, Safiullah S, Lama DJ, Parkhomenko E, Okhunov Z, Ko YH, Huynh L, Patel RM, Landman J, Clayman R. Medical impulsive therapy (MIT): the impact of 1 week of preoperative tamsulosin on deployment of 16-French ureteral access sheaths without preoperative ureteral stent placement. World J Urol. 2018 May 25. PMID: 29802428.
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    4. Safiullah S, Lama DJ, Patel R, Clayman R. Procedural Module: Flexible Cystoscopy. J Endourol. 2018 May; 32(S1):S2-S6. PMID: 29774810.
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    5. Yoon R, Capretz T, Patel RM, Okhunov Z, Landman J, Clayman R. Global Survey of a Novel Smartphone Mobile Endoscopy System. J Endourol. 2018 May; 32(5):451-454. PMID: 29634357.
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    6. Abedi G, Patel RM, Lin C, Clayman R. Quarter Century Management of Chronic Ureteropelvic Junction Obstruction in a Solitary Kidney with a Ureteral Stent. J Endourol Case Rep. 2018; 4(1):42-44. PMID: 29662959.
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    7. Clayman R, Patel RM, Pearle M. "STONE TREES": Metabolic Evaluation and Medical Treatment of the Urolithiasis Patient Made Easy. J Endourol. 2018 May; 32(5):387-392. PMID: 29444590.
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    8. Lama DJ, Safiullah S, Yang A, Okhunov Z, Landman J, Clayman R. Three-dimensional evaluation of perirenal fat volume in patients with nephrolithiasis. Urolithiasis. 2018 Mar 02. PMID: 29500620.
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    9. Lama DJ, Owyong M, Parkhomenko E, Patel RM, Landman J, Clayman R. Fluid Dynamic Analysis of Hand-Pump Infuser and UROMAT Endoscopic Automatic System for Irrigation Through a Flexible Ureteroscope. J Endourol. 2018 May; 32(5):431-436. PMID: 29334778.
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    10. Kaler KS, Parkhomenko E, Okunohov Z, Patel RM, Landman J, Clayman R, Uribe CA. Ureteroscopic holmium laser-assisted retrograde nephrostomy access: a novel approach to percutaneous stone removal. World J Urol. 2018 Feb 08. PMID: 29423876.
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    11. Kaler KS, Valley ZA, Bettir KC, Safiullah SM, Lama D, Yoon R, Landman J, Clayman R. Crowdsourcing Evaluation of Ureteroscopic Videos Using the Post-Ureteroscopic Lesion Scale to Assess Ureteral Injury. J Endourol. 2018 Apr; 32(4):275-281. PMID: 29212372.
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    12. Owyong M, Patel RM, Landman J, Clayman R. Science Mandates Precision: A Plea for Accuracy in Reporting. J Urol. 2018 May; 199(5):1123-1124. PMID: 29066361.
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    13. Safiullah S, Patel R, Uribe B, Spradling K, Lall C, Zhang L, Okhunov Z, Clayman R, Landman J. Prevalence of Protective Shielding Utilization for Radiation Dose Reduction in Adult Patients Undergoing Body Scanning Using Computed Tomography. J Endourol. 2017 Oct; 31(10):985-990. PMID: 28719979.
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    14. Vernez SL, Okhunov Z, Kaler K, Youssef RF, Dutta R, Palvanov A, Shah P, Osann K, Siegel DN, Lobko I, Kavoussi L, Clayman R, Landman J. Skin-to-tumor Distance Predicts Treatment Failure of T1A Renal Cell Carcinoma Following Percutaneous Cryoablation. Urology. 2017 Oct; 108:195-200. PMID: 28652159.
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    15. Dutta R, Yoon R, Patel RM, Spradling K, Okhunov Z, Sohn W, Lee HJ, Landman J, Clayman R. Clinical Comparison of Conventional and Mobile Endockscope Videocystoscopy Using an Air or Fluid Medium. J Endourol. 2017 06; 31(6):593-597. PMID: 28393623.
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    16. Clayman R, Denstedt J. Introduction Arthur D. Smith, MD: Humility, Hard Work, and Grace. J Endourol. 2017 04; 31(S1):S1-S2. PMID: 28414529.
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    17. Patel RM, Okhunov Z, Clayman R, Landman J. Prone Versus Supine Percutaneous Nephrolithotomy: What Is Your Position? Curr Urol Rep. 2017 Apr; 18(4):26. PMID: 28247328.
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    18. Martin JW, Patel RM, Okhunov Z, Vyas A, Vajgrt D, Clayman R. Multipoint Thermal Sensors Associated with Improved Oncologic Outcomes Following Cryoablation. J Endourol. 2017 04; 31(4):355-360. PMID: 28114787.
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    19. Clayman R, Kavoussi LR, Soper NJ, Dierks SM, Meretyk S, Darcy MD, Roemer FD, Pingleton ED, Thomson PG, Long SR. Laparoscopic Nephrectomy: Initial Case Report. J Urol. 2017 Feb; 197(2S):S182-S186. PMID: 28012757.
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    20. Vernez SL, Huynh V, Osann K, Okhunov Z, Landman J, Clayman R. C-SATS: Assessing Surgical Skills Among Urology Residency Applicants. J Endourol. 2017 04; 31(S1):S95-S100. PMID: 27633332.
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    21. Patel RM, Okhunov Z, Kaler K, Clayman R. Aftermath of Grade 3 Ureteral Injury from Passage of a Ureteral Access Sheath: Disaster or Deliverance? J Endourol Case Rep. 2016; 2(1):169-171. PMID: 27868091.
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    22. Chandhoke RA, Kaler KS, Clayman R. Cost-Free Laser Caging in the Operating Room. J Endourol. 2017 04; 31(S1):S87-S88. PMID: 27579664.
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    23. Vernez SL, Okhunov Z, Wikenheiser J, Khoyilar C, Dutta R, Osann K, Kaler K, Lee TK, Clayman R, Landman J. Precise Characterization and 3-Dimensional Reconstruction of the Autonomic Nerve Distribution of the Human Ureter. J Urol. 2017 Mar; 197(3 Pt 1):723-729. PMID: 27639714.
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    24. Dutta R, Vyas A, Landman J, Clayman R. Death of the Safety Guidewire. J Endourol. 2016 09; 30(9):941-4. PMID: 27295944.
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    25. Phan YC, Segaran S, Wiseman O, James P, Clayman R, Smith A, Rane A. Which Is Better? "Live" Surgical Broadcasts vs "As-Live" Surgical Broadcasts. J Endourol. 2016 09; 30(9):1022-8. PMID: 27268127.
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    26. Kaler KS, Cwikla D, Clayman R. Delayed Nephropleural Fistula After Percutaneous Nephrolithotomy. J Endourol Case Rep. 2016; 2(1):99-102. PMID: 27579431; PMCID: PMC4996607.
    27. Moskowitz D, Chang J, Ziogas A, Anton-Culver H, Clayman R. Treatment for T1a Renal Cancer Substratified by Size: "Less is More". J Urol. 2016 Oct; 196(4):1000-7. PMID: 27113965.
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    28. Clayman R. Editorial Comment. J Urol. 2016 Jul; 196(1):233. PMID: 27018220.
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    29. Chamberlin JD, Clayman R. Medical Treatment of a Staghorn Calculus: The Ultimate Noninvasive Therapy. J Endourol Case Rep. 2015; 1(1):21-3. PMID: 27579378; PMCID: PMC4996561.
    30. Youssef RF, Spradling K, Yoon R, Dolan B, Chamberlin J, Okhunov Z, Clayman R, Landman J. Applications of three-dimensional printing technology in urological practice. BJU Int. 2015 Nov; 116(5):697-702. PMID: 26010346.
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    31. Fox JC, Schlang JR, Maldonado G, Lotfipour S, Clayman R. Proactive medicine: the "UCI 30," an ultrasound-based clinical initiative from the University of California, Irvine. Acad Med. 2014 Jul; 89(7):984-9. PMID: 24826849.
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    32. Laguna MP, Algaba F, Cadeddu J, Clayman R, Gill I, Gueglio G, Hohenfellner M, Joyce A, Landman J, Lee B, van Poppel H. Current patterns of presentation and treatment of renal masses: a clinical research office of the endourological society prospective study. J Endourol. 2014 Jul; 28(7):861-70. PMID: 24555480.
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    33. Sohn W, Shreim S, Yoon R, Huynh VB, Dash A, Clayman R, Lee HJ. Endockscope: using mobile technology to create global point of service endoscopy. J Endourol. 2013 Sep; 27(9):1154-60. PMID: 23701228; PMCID: PMC3826469.
    34. Rassweiler J, Rassweiler MC, Kenngott H, Frede T, Michel MS, Alken P, Clayman R. The past, present and future of minimally invasive therapy in urology: a review and speculative outlook. Minim Invasive Ther Allied Technol. 2013 Aug; 22(4):200-9. PMID: 23808367.
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    35. Millar M, Tanagho YS, Haseebuddin M, Clayman R, Bhayani SB, Figenshau RS. Surgical cyst decortication in autosomal dominant polycystic kidney disease. J Endourol. 2013 May; 27(5):528-34. PMID: 23157176; PMCID: PMC3643310.
    36. Sohn W, Clayman R, Lee JY, Cohen A, Mucksavage P. Low-dose and standard computed tomography scans yield equivalent stone measurements. Urology. 2013 Feb; 81(2):231-4. PMID: 23374764.
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    37. Clayman R, Smith AD. RE: "Mn-porphyrins as novel molecular MRI contrast agents" by Mouraviev et al. J Endourol. 2012 Oct; 26(10):1380. PMID: 23035620.
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    38. Mues AC, Korets R, Graversen JA, Badani KK, Bird VG, Best SL, Cadeddu JA, Clayman R, McDougall E, Barwari K, Laguna P, de la Rosette J, Kavoussi L, Okhunov Z, Munver R, Patel SR, Nakada S, Tsivian M, Polascik TJ, Shalhav A, Shingleton WB, Johnson EK, Wolf JS, Landman J. Clinical, pathologic, and functional outcomes after nephron-sparing surgery in patients with a solitary kidney: a multicenter experience. J Endourol. 2012 Oct; 26(10):1361-6. PMID: 22667344; PMCID: PMC3727568.
    39. Kaplan AG, Abdelshehid CS, Alipanah N, Zamansani T, Lee J, Kolla SB, Sountoulides PG, Graversen J, Lusch A, Kaufmann OG, Louie M, Clayman R, McDougall EM. Genitourinary exam skills training curriculum for medical students: a follow-up study of comfort and skill utilization. J Endourol. 2012 Oct; 26(10):1350-5. PMID: 22712690.
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    40. Haseebuddin M, Tanagho YS, Millar M, Roytman T, Chen C, Clayman R, Miller B, Desai A, Benway B, Bhayani S, Figenshau RS. Long-term impact of laparoscopic cyst decortication on renal function, hypertension and pain control in patients with autosomal dominant polycystic kidney disease. J Urol. 2012 Oct; 188(4):1239-44. PMID: 22902029.
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    41. Matsuda T, McDougall EM, Ono Y, Hattori R, Baba S, Iwamura M, Terachi T, Naito S, Clayman R. Positive correlation between motion analysis data on the LapMentor virtual reality laparoscopic surgical simulator and the results from videotape assessment of real laparoscopic surgeries. J Endourol. 2012 Nov; 26(11):1506-11. PMID: 22642549; PMCID: PMC3495115.
    42. Mucksavage P, Lee J, Kerbl DC, Clayman R, McDougall EM. Preoperative warming up exercises improve laparoscopic operative times in an experienced laparoscopic surgeon. J Endourol. 2012 Jul; 26(7):765-8. PMID: 22050510.
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    43. Phan J, Lall C, Moskowitz R, Clayman R, Landman J. Erosion of embolization coils into the renal collecting system mimicking stone. West J Emerg Med. 2012 Feb; 13(1):127-30. PMID: 22461946; PMCID: PMC3298228.
    44. Young JL, McCormick DW, Kolla SB, Sountoulides PG, Kaufmann OG, Ortiz-Vanderdys CG, Huynh VB, Kaplan AG, Jain NS, Pick DL, Andrade LA, Osann KE, McDougall EM, Clayman R. Are multiple cryoprobes additive or synergistic in renal cryotherapy? Urology. 2012 Feb; 79(2):484.e1-6. PMID: 22192230; PMCID: PMC4051421.
    45. Duchene DA, Rosso F, Clayman R, McDougall EM, Winfield HN. Current minimally invasive practice patterns among postgraduate urologists. J Endourol. 2011 Nov; 25(11):1797-804. PMID: 21877912.
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    46. Young JL, Khanifar E, Narula N, Ortiz-Vanderdys CG, Kolla SB, Pick DL, Sountoulides PG, Kaufmann OG, Osann KE, Huynh VB, Kaplan AG, Andrade LA, Louie MK, McDougall EM, Clayman R. Optimal freeze cycle length for renal cryotherapy. J Urol. 2011 Jul; 186(1):283-8. PMID: 21600606; PMCID: PMC4041687.
    47. Etafy M, Pick D, Said S, Hsueh T, Kerbl D, Mucksavage P, Louie M, McDougall E, Clayman R. Robotic pyeloplasty: the University of California-Irvine experience. J Urol. 2011 Jun; 185(6):2196-200. PMID: 21497846.
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    48. Pick DL, Shelkovnikov S, Kaplan AG, Louie MK, Purdy R, McDougall EM, Clayman R. A novel ex-vivo ureteral apparatus for assessing the impact of intraluminal pharmaceutical agents on ureteral physiology. J Endourol. 2011 Apr; 25(4):681-5. PMID: 21438692.
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    49. Kerbl DC, McDougall EM, Clayman R, Mucksavage P. A history and evolution of laparoscopic nephrectomy: perspectives from the past and future directions in the surgical management of renal tumors. J Urol. 2011 Mar; 185(3):1150-4. PMID: 21255799.
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    50. Louie MK, Deane LA, Kaplan AG, Lee HJ, Box GN, Abraham JB, Borin JF, Khan F, McDougall EM, Clayman R. Laparoscopic partial nephrectomy: six degrees of haemostasis. BJU Int. 2011 May; 107(9):1454-9. PMID: 21244605.
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    51. Mucksavage P, McDougall EM, Clayman R. Laparoscopic transperitoneal nephrectomy for renal cancer: the University of California, Irvine, technique. J Endourol. 2011 Feb; 25(2):195-200. PMID: 21231882.
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    52. Clayman R. "No one of us is as smart as all of us.". J Endourol. 2011 Jan; 25(1):9. PMID: 21247285.
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    53. Pick DL, Kolla SB, Mucksavage P, Louie MK, Sountoulides P, Kaufmann O, Olamendi S, Kaplan A, Huynh V, Ortiz-Vanderdys C, Truong HP, Said SA, Andrade L, Tongson-Ignacio J, McDougall EM, Clayman R. Sprayed fibrin sealant as the sole hemostatic agent for porcine laparoscopic partial nephrectomy. J Urol. 2011 Jan; 185(1):291-7. PMID: 21075389.
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    54. Pick DL, Shelkovnikov S, Canvasser N, Louie MK, Tongson-Ignacio J, McDougall EM, Clayman R. First prize: Chitosan and the urothelial barrier: effects on ureteral intraluminal drug penetration and peristalsis. J Endourol. 2011 Mar; 25(3):385-90. PMID: 21126192.
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    55. Li R, Louie MK, Lee HJ, Osann K, Pick DL, Santos R, McDougall EM, Clayman R. Prospective randomized trial of three different methods of nephrostomy tract closure after percutaneous nephrolithotripsy. BJU Int. 2011 May; 107(10):1660-5. PMID: 20973909.
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    56. Kolla SB, Gamboa AJ, Li R, Santos RT, Gan JM, Shell C, Andrade L, Louie MK, Clayman R, McDougall EM. Impact of a laparoscopic renal surgery mini-fellowship program on postgraduate urologist practice patterns at 3-year followup. J Urol. 2010 Nov; 184(5):2089-93. PMID: 20850830.
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    57. Young JL, Sountoulides P, Kolla SB, Pick DL, Kaufmann OB, Huynh VB, Kaplan AG, Ortiz C, Louie MK, Andrade LA, Osann KE, McDougall EM, Clayman R. Ice burn: protecting the flank during renal cryotherapy. J Endourol. 2010 Aug; 24(8):1249-53. PMID: 20092414.
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    58. Young JL, Clayman R. Cryoprobe isotherms: a caveat and review. J Endourol. 2010 May; 24(5):673-6. PMID: 20433371.
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    59. Louie MK, Gamboa AJ, Kaplan AG, Khosravi A, Truong H, Andrade L, Lin R, Alipanah R, Ortiz C, McCormick D, Box GN, Lee HJ, Deane LA, Edwards RA, McDougall EM, Clayman R. Bovine serum albumin glutaraldehyde for completely sutureless laparoscopic heminephrectomy in a survival porcine model. J Endourol. 2010 Mar; 24(3):451-5. PMID: 20059350; PMCID: PMC3736647.
    60. Young JL, Kolla SB, Pick DL, Sountoulides P, Kaufmann OG, Ortiz-Vanderdys CG, Huynh VB, Kaplan AG, Andrade LA, Osann KE, Louie MK, McDougall EM, Clayman R. In vitro, ex vivo and in vivo isotherms for renal cryotherapy. J Urol. 2010 Feb; 183(2):752-8. PMID: 20022060.
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    61. Sountoulides PG, Kaufmann OG, Louie MK, Beck S, Jain N, Kaplan A, McDougall EM, Clayman R. Endoscopy-guided percutaneous nephrostolithotomy: benefits of ureteroscopic access and therapy. J Endourol. 2009 Oct; 23(10):1649-54. PMID: 19785551.
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    62. Kaufmann OG, Sountoulides P, Kaplan A, Louie M, McDougall E, Clayman R. Skin treatment and tract closure for tubeless percutaneous nephrolithotomy: University of California, Irvine, technique. J Endourol. 2009 Oct; 23(10):1739-41. PMID: 19785557.
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    63. Wu SD, Lesani OA, Zhao LC, Johnston WK, Wolf JS, Clayman R, Nadler RB. A multi-institutional study on the safety and efficacy of specimen morcellation after laparoscopic radical nephrectomy for clinical stage T1 or T2 renal cell carcinoma. J Endourol. 2009 Sep; 23(9):1513-8. PMID: 19694517.
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    64. Young JL, Louie MK, Ortiz-Vanderdys CG, McCormick DW, Huynh VB, Kaplan AG, Jain NS, Pick DL, Andrade LA, Osann KE, Kolla SB, Sountoulides P, Kaufmann OG, McDougall EM, Clayman R. Impact of pneumoperitoneum on renal cryotherapy. J Endourol. 2009 Sep; 23(9):1451-5. PMID: 19694533.
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    65. Liss MA, Leifer S, Sakakine G, Esparza M, Clayman R. The Liss maneuver: a nonendoscopic technique for difficult Foley catheterization. J Endourol. 2009 Aug; 23(8):1227-30. PMID: 19558222.
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    66. Zorn KC, Gautam G, Shalhav AL, Clayman R, Ahlering TE, Albala DM, Lee DI, Sundaram CP, Matin SF, Castle EP, Winfield HN, Gettman MT, Lee BR, Thomas R, Patel VR, Leveillee RJ, Wong C, Badlani GH, Rha KH, Eggener SE, Wiklund P, Mottrie A, Atug F, Kural AR, Joseph JV. Training, credentialing, proctoring and medicolegal risks of robotic urological surgery: recommendations of the society of urologic robotic surgeons. J Urol. 2009 Sep; 182(3):1126-32. PMID: 19625032.
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    67. McDougall EM, Kolla SB, Santos RT, Gan JM, Box GN, Louie MK, Gamboa AJ, Kaplan AG, Moskowitz RM, Andrade LA, Skarecky DW, Osann KE, Clayman R. Preliminary study of virtual reality and model simulation for learning laparoscopic suturing skills. J Urol. 2009 Sep; 182(3):1018-25. PMID: 19616797.
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    68. Kaplan AG, Kolla SB, Gamboa AJ, Box GN, Louie MK, Andrade L, Santos RT, Gan JM, Moskowitz RM, Shell C, Gustin W, Clayman R, McDougall EM. Preliminary evaluation of a genitourinary skills training curriculum for medical students. J Urol. 2009 Aug; 182(2):668-73. PMID: 19539310.
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    69. Clayman R. Journal of Endourology. Preface. J Endourol. 2009 May; 23(5):725. PMID: 19405816.
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    70. Box GN, Bessler M, Clayman R. Transvaginal access: current experience and potential implications for urologic applications. J Endourol. 2009 May; 23(5):753-7. PMID: 19438292.
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    71. Box GN, Lee HJ, Abraham JB, Deane LA, Santos RJ, Elchico ER, Khosravi A, Abdelshehid CA, Alipanah R, Li K, Moskowitz RM, Philips JM, Edwards RA, Borin JF, McDougall EM, Clayman R. Evaluation of the outcomes of electrosurgical induced bowel injury treated with tissue glue/sealant versus sutured repair in a rabbit model. J Endourol. 2009 Mar; 23(3):535-40. PMID: 19275489.
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    72. Krebs A, Deane LA, Borin JF, Edwards RA, Sala LG, Khan F, Abdelshehid C, McDougall EM, Clayman R. The 'buoy' stent: evaluation of a prototype indwelling ureteric stent in a porcine model. BJU Int. 2009 Jul; 104(1):88-92. PMID: 19154469.
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    73. Abraham JB, Gamboa AJ, Finley DS, Beck SM, Lee HJ, Santos RJ, Box GN, Deane LA, Vajgrt DJ, McDougall EM, Clayman R. The UCI Seldinger technique for percutaneous renal cryoablation: protecting the tract and achieving hemostasis. J Endourol. 2009 Jan; 23(1):43-9. PMID: 19178171.
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    74. Moskowitz RM, Young JL, Box GN, Paré LS, Clayman R. Retroperitoneal transdiaphragmatic robotic-assisted laparoscopic resection of a left thoracolumbar neurofibroma. JSLS. 2009 Jan-Mar; 13(1):64-8. PMID: 19366544; PMCID: PMC3015890.
    75. Finley DS, Narula N, Valera VA, Merino MJ, Fruehauf J, Wu ML, Linehan WM, Clayman R. Immunohistochemical basis for adjuvant anti-angiogenic targeted therapy for renal carcinoid: initial case report. Urol Oncol. 2011 Jan-Feb; 29(1):85-9. PMID: 19110452; PMCID: PMC4519232.
    76. Gamboa AJ, Santos RT, Sargent ER, Louie MK, Box GN, Sohn KH, Truong H, Lin R, Khosravi A, Santos R, Ornstein DK, Ahlering TE, Tyson DR, Clayman R, McDougall EM. Long-term impact of a robot assisted laparoscopic prostatectomy mini fellowship training program on postgraduate urological practice patterns. J Urol. 2009 Feb; 181(2):778-82. PMID: 19091351.
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    77. Box GN, Lee HJ, Abraham JB, Deane LA, Elchico ER, Abdelshehid CA, Alipanah R, Taylor MB, Andrade L, Edwards RA, Borin JF, McDougall EM, Clayman R. Comparative study of in vivo lymphatic sealing capability of the porcine thoracic duct using laparoscopic dissection devices. J Urol. 2009 Jan; 181(1):387-91. PMID: 19010491.
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    78. Natalin RA, Phillips CK, Clayman R, Landman J. Urologic laser types and instrumentation. Arch Esp Urol. 2008 Nov; 61(9):971-7. PMID: 19140577.
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    79. Box G, Averch T, Cadeddu J, Cherullo E, Clayman R, Desai M, Frank I, Gettman M, Gill I, Gupta M, Haber GP, Kaouk J, Landman J, Lima E, Ponsky L, Rane A, Sawyer M, Humphreys M. Nomenclature of natural orifice translumenal endoscopic surgery (NOTES) and laparoendoscopic single-site surgery (LESS) procedures in urology. J Endourol. 2008 Nov; 22(11):2575-81. PMID: 19046097.
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    80. Cooper JD, Clayman R, Krummel TM, Schauer PR, Thompson C, Moreno JD. Inside the operating room--balancing the risks and benefits of new surgical procedures: a collection of perspectives and panel discussion. Cleve Clin J Med. 2008 Nov; 75 Suppl 6:S37-48; discussion S49-54. PMID: 19024953.
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    81. Phillips JM, Narula N, Deane LA, Box GN, Lee HJ, Ornstein DK, McDougall EM, Clayman R. Histological evaluation of cold versus hot cutting: clinical impact on margin status for laparoscopic partial nephrectomy. J Urol. 2008 Dec; 180(6):2348-52. PMID: 18930271.
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    82. Lee HJ, Box GN, Abraham JB, Elchico ER, Panah RA, Taylor MB, Moskowitz R, Deane LA, McDougall EM, Clayman R. Laboratory evaluation of laparoscopic vascular clamps using a load-cell device--are all clamps the same? J Urol. 2008 Oct; 180(4):1267-72. PMID: 18707713.
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    83. Box GN, Lehman DS, Landman J, Clayman R. Minimally invasive management of upper tract malignancies: renal cell and transitional cell carcinoma. Urol Clin North Am. 2008 Aug; 35(3):365-83, vii. PMID: 18761193.
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    84. Lee HJ, Box GN, Abraham JB, Deane LA, Elchico ER, Eisner BH, McDougall EM, Clayman R. In vitro evaluation of nitinol urological retrieval coil and ureteral occlusion device: retropulsion and holmium laser fragmentation efficiency. J Urol. 2008 Sep; 180(3):969-73. PMID: 18656905.
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    85. Finley DS, Beck S, Box G, Chu W, Deane L, Vajgrt DJ, McDougall EM, Clayman R. Percutaneous and laparoscopic cryoablation of small renal masses. J Urol. 2008 Aug; 180(2):492-8; discussion 498. PMID: 18550087.
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    86. Deane LA, Lee HJ, Box GN, Abraham JB, Abdelshehid CS, Elchico ER, Alipanah R, Borin JF, Johnson RW, Jackson DJ, McDougall EM, Clayman R. Third place: Flank position is associated with higher skin-to-surface interface pressures in men versus women: implications for laparoscopic renal surgery and the risk of rhabdomyolysis. J Endourol. 2008 Jun; 22(6):1147-51. PMID: 18578650.
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    87. Abraham JB, Abdelshehid CS, Lee HJ, Alipanah R, Andrade LA, Sargent ER, Box GN, Deane LA, McDougall EM, Clayman R. LapED 4-In-1 silicone training aid for practicing laparoscopic skills and tasks: a preliminary evaluation. J Endourol. 2008 Jun; 22(6):1351-7. PMID: 18498229.
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    88. Beck SM, Finley DS, Box GN, Vajgrt DJ, Wong AB, Morrison DE, Kudrick N, McDougall EM, Clayman R. High-frequency oscillatory ventilatory support during CT-guided percutaneous cryotherapy of renal masses. J Endourol. 2008 May; 22(5):923-6. PMID: 18393645.
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    89. Deane LA, Lee HJ, Box GN, Melamud O, Yee DS, Abraham JB, Finley DS, Borin JF, McDougall EM, Clayman R, Ornstein DK. Robotic versus standard laparoscopic partial/wedge nephrectomy: a comparison of intraoperative and perioperative results from a single institution. J Endourol. 2008 May; 22(5):947-52. PMID: 18397157.
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    90. Clayman R. A conversation between Darracott Vaughan and Ralph Clayman. BJU Int. 2008 Mar; 101(5):523-5. PMID: 18257852.
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    91. Box GN, Lee HJ, Santos RJ, Abraham JB, Louie MK, Gamboa AJ, Alipanah R, Deane LA, McDougall EM, Clayman R. Rapid communication: robot-assisted NOTES nephrectomy: initial report. J Endourol. 2008 Mar; 22(3):503-6. PMID: 18355143.
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    92. Foyil KV, Ames CD, Ferguson GG, Weld KJ, Figenshau RS, Venkatesh R, Yan Y, Clayman R, Landman J. Longterm changes in creatinine clearance after laparoscopic renal surgery. J Am Coll Surg. 2008 Mar; 206(3):511-5. PMID: 18308223.
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    93. Gettman MT, Box G, Averch T, Cadeddu JA, Cherullo E, Clayman R, Desai M, Frank I, Gill I, Gupta M, Haber GP, Humphreys M, Kaouk J, Landman J, Lima E, Ponsky L. Consensus statement on natural orifice transluminal endoscopic surgery and single-incision laparoscopic surgery: heralding a new era in urology? Eur Urol. 2008 Jun; 53(6):1117-20. PMID: 18304726.
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    94. Clayman R. Untipped: an endourologist's lament (with apologies to Pete Seeger). J Urol. 2008 Feb; 179(2):402. PMID: 18076924.
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    95. Borin JF, Deane LA, Sala LG, Abdelshehid CS, White SM, Poulson AK, Khan F, Edwards RA, McDougall EM, Clayman R. Comparison of healing after cystotomy and repair with fibrin glue and sutured closure in the porcine model. J Endourol. 2008 Jan; 22(1):145-50. PMID: 18315486.
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    96. Vlaovic PD, Sargent ER, Boker JR, Corica FA, Chou DS, Abdelshehid CS, White SM, Sala LG, Chu F, Le T, Clayman R, McDougall EM. Immediate impact of an intensive one-week laparoscopy training program on laparoscopic skills among postgraduate urologists. JSLS. 2008 Jan-Mar; 12(1):1-8. PMID: 18402731; PMCID: PMC3016039.
    97. Hruby GW, Sprenkle PC, Abdelshehid C, Clayman R, McDougall EM, Landman J. The EZ Trainer: validation of a portable and inexpensive simulator for training basic laparoscopic skills. J Urol. 2008 Feb; 179(2):662-6. PMID: 18082210.
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    98. Krebs A, Borin JF, Kim IY, Jackson DJ, McDougall EM, Clayman R. Evaluation of practice efficiency with a novel sheathed flexible cystoscope: a randomized controlled trial. Urology. 2007 Nov; 70(5):883-7. PMID: 17919698.
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    99. McDougall EM, Watters TJ, Clayman R. 4-year curriculum for urology residency training. J Urol. 2007 Dec; 178(6):2540-4. PMID: 17937938.
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    100. Blaschko SD, Brooks HM, Dhuy SM, Charest-Shell C, Clayman R, McDougall EM. Coordinated multiple cadaver use for minimally invasive surgical training. JSLS. 2007 Oct-Dec; 11(4):403-7. PMID: 18237501; PMCID: PMC3015855.
    101. Abraham JB, Abdelshehid CS, Lee HJ, Box GN, Deane LA, Le T, Jellison F, Borin JF, Manipon A, McDougall EM, Clayman R. Rapid communication: effects of Steris 1 sterilization and Cidex ortho-phthalaldehyde high-level disinfection on durability of new-generation flexible ureteroscopes. J Endourol. 2007 Sep; 21(9):985-92. PMID: 17941773.
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    102. Reisiger K, Hruby G, Clayman R, Landman J. Office-based surveillance ureteroscopy after endoscopic treatment of transitional cell carcinoma: technique and clinical outcome. Urology. 2007 Aug; 70(2):263-6. PMID: 17826486.
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    103. Deane LA, Clayman R. Advances in percutaneous nephrostolithotomy. Urol Clin North Am. 2007 Aug; 34(3):383-95. PMID: 17678988.
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    104. Blaschko SD, Deane LA, Krebs A, Abdelshehid CS, Khan F, Borin J, Nguyen A, McDougall EM, Clayman R. In-vivo evaluation of flow characteristics of novel metal ureteral stent. J Endourol. 2007 Jul; 21(7):780-3. PMID: 17705771.
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    105. Duchene DA, Winfield HN, Cadeddu JA, Clayman R, Gomella LG, Kavoussi LR, Mikhail AA, Park S, Permpongkosol S, Shalhav AL. Multi-institutional survey of laparoscopic ureterolysis for retroperitoneal fibrosis. Urology. 2007 Jun; 69(6):1017-21. PMID: 17572177.
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    106. Kim IY, Eichel L, Edwards R, Uribe C, Chou DS, Abdelshehid C, Ahlering M, White S, Woo E, McDougall E, Clayman R. Effects of commonly used hemostatic agents on the porcine collecting system. J Endourol. 2007 Jun; 21(6):652-4. PMID: 17638564.
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    107. Clayman R, Box GN, Abraham JB, Lee HJ, Deane LA, Sargent ER, Nguyen NT, Chang K, Tan AK, Ponsky LE, McDougall EM. Rapid communication: transvaginal single-port NOTES nephrectomy: initial laboratory experience. J Endourol. 2007 Jun; 21(6):640-4. PMID: 17638562.
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    108. Deane LA, Clayman R. Laparoscopic nephrectomy for renal cell cancer: radical and total. BJU Int. 2007 May; 99(5 Pt B):1251-7. PMID: 17441919.
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    109. Venkatesh R, Sundaram CP, Figenshau RS, Yan Y, Andriole GL, Clayman R, Landman J. Prospective randomized comparison of cutting and dilating disposable trocars for access during laparoscopic renal surgery. JSLS. 2007 Apr-Jun; 11(2):198-203. PMID: 17761080; PMCID: PMC3015718.
    110. Weld KJ, Figenshau RS, Venkatesh R, Bhayani SB, Ames CD, Clayman R, Landman J. Laparoscopic cryoablation for small renal masses: three-year follow-up. Urology. 2007 Mar; 69(3):448-51. PMID: 17382142.
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    111. Clayman R. Pursuit of a paradigm for professional progress. J Urol. 2007 Feb; 177(2):425. PMID: 17222601.
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    112. Blaschko SD, Deane LA, Borin JF, Vajgrt D, McDougall EM, Clayman R. Percutaneous cryoablation of an upper pole renal mass: use of contralateral single lung ventilation to avoid pleural and pulmonary puncture. Urology. 2007 Feb; 69(2):384.e1-3. PMID: 17320686.
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    113. McDougall EM, Clayman R. Rapid communication: minimally invasive urologic surgery curricula. J Endourol. 2007 Feb; 21(2):197-217. PMID: 17338622.
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    114. Clayman R. Re: Laparoscopic-assisted nephroureterectomy after radical cystectomy for transitional cell carcinoma. Int Braz J Urol. 2007 Jan-Feb; 33(1):100. PMID: 17335607.
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    115. Duchene DA, Moinzadeh A, Gill IS, Clayman R, Winfield HN. Survey of residency training in laparoscopic and robotic surgery. J Urol. 2006 Nov; 176(5):2158-66; discussion 2167. PMID: 17070283.
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    116. Corica FA, Boker JR, Chou DS, White SM, Abdelshehid CS, Stoliar G, Sala LG, Shanberg AM, Clayman R, McDougall EM. Short-term impact of a laparoscopic "mini-residency" experience on postgraduate urologists' practice patterns. J Am Coll Surg. 2006 Nov; 203(5):692-8. PMID: 17084331.
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    117. Deane LA, Clayman R. Review of minimally invasive renal therapies: Needle-based and extracorporeal. Urology. 2006 Jul; 68(1 Suppl):26-37. PMID: 16857457.
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    118. Khan F, Borin JF, Pearle MS, McDougall EM, Clayman R. Endoscopically guided percutaneous renal access: "seeing is believing". J Endourol. 2006 Jul; 20(7):451-5; discussion 455. PMID: 16859452.
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    119. Venkatesh R, Weld K, Ames CD, Figenshau SR, Sundaram CP, Andriole GL, Clayman R, Landman J. Laparoscopic partial nephrectomy for renal masses: effect of tumor location. Urology. 2006 Jun; 67(6):1169-74; discussion 1174. PMID: 16765174.
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    120. Borin JF, Melamud O, Clayman R. Initial experience with full-length metal stent to relieve malignant ureteral obstruction. J Endourol. 2006 May; 20(5):300-4. PMID: 16724898.
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    121. McDougall EM, Corica FA, Boker JR, Sala LG, Stoliar G, Borin JF, Chu FT, Clayman R. Construct validity testing of a laparoscopic surgical simulator. J Am Coll Surg. 2006 May; 202(5):779-87. PMID: 16648018.
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    122. Chou DS, Abdelshehid C, Clayman R, McDougall EM. Comparison of results of virtual-reality simulator and training model for basic ureteroscopy training. J Endourol. 2006 Apr; 20(4):266-71. PMID: 16646655.
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    123. McDougall EM, Corica FA, Chou DS, Uribe CA, Abdelshehid CS, Boker JR, Khonsari SS, Eichel L, Lee D, Finley DS, Hogg D, Cadeddu JA, Pearle MS, Clayman R. Comparison of basic elements of human performance scores between urologists with various extents of experience. J Endourol. 2006 Mar; 20(3):209-14. PMID: 16548732.
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    124. McDougall EM, Corica FA, Chou DS, Abdelshehid CS, Uribe CA, Stoliar G, Sala LG, Khonsari SS, Eichel L, Boker JR, Ahlering TE, Clayman R. Short-term impact of a robot-assisted laparoscopic prostatectomy 'mini-residency' experience on postgraduate urologists' practice patterns. Int J Med Robot. 2006 Mar; 2(1):70-4. PMID: 17520615.
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    125. Clayman R. A "tipping point" in surgical education: simulation at the gates. J Urol. 2006 Feb; 175(2):415-6. PMID: 16406960.
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    126. Borin JF, Abdelshehid CS, Clayman R. Comparison of resolution, contrast, and color differentiation among fiberoptic and digital flexible cystoscopes. J Endourol. 2006 Jan; 20(1):54-8. PMID: 16426134.
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    127. Clayman R. The safety and efficacy of direct trocar insertion with elevation of the rectus sheath instead of the skin for pneumoperitoneum. J Urol. 2005 Nov; 174(5):1847-8. PMID: 16217312.
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    128. Clayman R. Comparison of needlescopic appendectomy versus conventional laparoscopic appendectomy. A randomized controlled trial. J Urol. 2005 Nov; 174(5):1848-9. PMID: 16217314.
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    129. Eichel L, Kim IY, Uribe C, Khonsari S, Basillote J, Steward E, Coad J, Bischof J, Rudie E, Kluge S, McDougall EM, Clayman R. Third Prize: Comparison of radical nephrectomy, laparoscopic microwave thermotherapy, cryotherapy, and radiofrequency ablation for destruction of experimental VX-2 renal tumors in rabbits. J Endourol. 2005 Nov; 19(9):1082-7. PMID: 16283844.
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    130. Clayman R. Ureteric access with flexible ureteroscopes: effect of the size of the ureteroscope. J Urol. 2005 Nov; 174(5):1847. PMID: 16217313.
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    131. Clayman R. The heilbronn laparoscopic training program for laparoscopic suturing: concept and validation. J Urol. 2005 Nov; 174(5):1848. PMID: 16217315.
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    132. Clayman R. Laparoscopic ureterocalicostomy: development of a technique simplified by application of Nitinol clips and a wet monopolar electrosurgery device. J Urol. 2005 Nov; 174(5):1849-50. PMID: 16217316.
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    133. Reisiger KE, Landman J, Kibel A, Clayman R. Laparoscopic renal surgery and the risk of rhabdomyolysis: diagnosis and treatment. Urology. 2005 Nov; 66(5 Suppl):29-35. PMID: 16194704.
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    134. Finley DS, Petersen J, Abdelshehid C, Ahlering M, Chou D, Borin J, Eichel L, McDougall E, Clayman R. Effect of holmium:YAG laser pulse width on lithotripsy retropulsion in vitro. J Endourol. 2005 Oct; 19(8):1041-4. PMID: 16253078.
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    135. Clayman R. Laparoscopic partial nephrectomy using microwave tissue coagulator for small renal tumors: usefulness and complications. J Urol. 2005 Oct; 174(4 Pt 1):1248. PMID: 16145380.
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    136. Clayman R. Ureteroscopy for pediatric urolithiasis: an evolving first-line therapy. J Urol. 2005 Oct; 174(4 Pt 1):1447-8. PMID: 16145465.
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    137. Clayman R. TissueLink device for laparoscopic nephron-sparing surgery. J Urol. 2005 Oct; 174(4 Pt 1):1248-9. PMID: 16145379.
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    138. Clayman R. Lateral pedicle control during laparoscopic radical prostatectomy: refined technique. J Urol. 2005 Sep; 174(3):930-1. PMID: 16093993.
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    139. Clayman R. Minimally invasive surgery for pelviureteral junction obstruction in adults: a critical review of the options. J Urol. 2005 Sep; 174(3):953. PMID: 16094004.
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    140. Clayman R. Surgical robotics: impact of motion scaling on task performance. J Urol. 2005 Sep; 174(3):953. PMID: 16094005.
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    141. Clayman R. Ureteropelvic junction obstruction: does CT angiography allow better selection of therapeutic modalities and better patient outcome? J Urol. 2005 Sep; 174(3):954. PMID: 16094006.
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    142. Clayman R. Celecoxib inhibits ureteral contractility and prostanoid release. J Urol. 2005 Aug; 174(2):600. PMID: 16006910.
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    143. Clayman R. The molecular basis of kidney stones. J Urol. 2005 Aug; 174(2):601. PMID: 16006912.
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    144. Clayman R. Decreased renal function among adults with a history of nephrolithiasis: a study of NHANES III. J Urol. 2005 Aug; 174(2):600-1. PMID: 16006909.
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    145. Clayman R. Supine position is safe and effective for percutaneous nephrolithotomy. J Urol. 2005 Aug; 174(2):601-2. PMID: 16006911.
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    146. Clayman R. Metabolic abnormalities associated with renal calculi in patients with horseshoe kidneys. J Urol. 2005 Aug; 174(2):602-3. PMID: 16006913.
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    147. Venkatesh R, Rehman J, Landman J, Lee D, Ragab ME, Sundaram CP, Humphrey PA, Clayman R. Determination of cell viability after laparoscopic tissue stapling in a porcine model. J Endourol. 2005 Jul-Aug; 19(6):744-7. PMID: 16053369.
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    148. Finley DS, Perer E, Eichel L, Clayman R. Ureteral pseudodiverticulum associated with absorbable suture clips after laparoscopic pyeloplasty: case report. J Endourol. 2005 Jul-Aug; 19(6):726-9. PMID: 16053365.
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    149. Borin JF, Sala LG, Eichel L, McDougall EM, Clayman R. Tubeless percutaneous nephrolithotomy using hemostatic gelatin matrix. J Endourol. 2005 Jul-Aug; 19(6):614-7; discussion 617. PMID: 16053347.
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    150. Abdelshehid C, Ahlering MT, Chou D, Park HK, Basillote J, Lee D, Kim I, Eichel L, Protsenko D, Wong B, McDougall E, Clayman R. Comparison of flexible ureteroscopes: deflection, irrigant flow and optical characteristics. J Urol. 2005 Jun; 173(6):2017-21. PMID: 15879808.
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    151. Clayman R. Ureteroscopic lithotripsy under local anesthesia: analysis of the effectiveness and patient tolerability. J Urol. 2005 Jun; 173(6):2022-3. PMID: 15879809.
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    152. Clayman R. Ureteric stenting after ureteroscopy for ureteric stones: a prospective randomized study assessing symptoms and complications. J Urol. 2005 Jun; 173(6):2022. PMID: 15879810.
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    153. Clayman R. Comparison of open versus laparoscopic pyeloplasty techniques in treatment of uretero-pelvic junction obstruction. J Urol. 2005 Jun; 173(6):2023. PMID: 15879812.
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    154. Finley DS, Lee DI, Eichel L, Uribe CA, McDougall EM, Clayman R. Fibrin glue-oxidized cellulose sandwich for laparoscopic wedge resection of small renal lesions. J Urol. 2005 May; 173(5):1477-81. PMID: 15821463.
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    155. Uribe CA, Eichel L, Khonsari S, Finley DS, Basillote J, Park HK, Li CC, Abdelshehid C, Lee DI, McDougall EM, Clayman R. What happens to hemostatic agents in contact with urine? An in vitro study. J Endourol. 2005 Apr; 19(3):312-7. PMID: 15865520.
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    156. Clayman R. Pain after percutaneous nephrolithotomy: impact of nephrostomy tube size. J Urol. 2005 Apr; 173(4):1199-200. PMID: 15758743.
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    157. Clayman R. Percutaneous nephrolithotomy: an update. J Urol. 2005 Apr; 173(4):1199. PMID: 15758744.
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    158. Clayman R. Laparoscopic partial nephrectomy using holmium laser in a porcine model. J Urol. 2005 Apr; 173(4):1200-1. PMID: 15758745.
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    159. Clayman R. Laparoscopic radical nephrectomy: oncologic efficacy. J Urol. 2005 Apr; 173(4):1201. PMID: 15758747.
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    160. Clayman R. Long-term combined treatment with thiazide and potassium citrate in nephrolithiasis does not lead to hypokalemia or hypochloremic metabolic alkalosis. J Urol. 2005 Apr; 173(4):1200. PMID: 15758746.
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    161. Chou DS, Abdelshehid CS, Uribe CA, Khonsari SS, Eichel L, Boker JR, Shanberg AM, Ahlering TE, Clayman R, McDougall EM. Initial impact of a dedicated postgraduate laparoscopic mini-residency on clinical practice patterns. J Endourol. 2005 Apr; 19(3):360-5. PMID: 15865528.
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    162. Clayman R. Preventing reservoir calculi after augmentation cystoplasty and continent urinary diversion: the influence of an irrigation protocol. J Urol. 2005 Mar; 173(3):866-7. PMID: 15711295.
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    163. Clayman R. Urine stone risk factors in nephrolithiasis patients with and without bowel disease. J Urol. 2005 Mar; 173(3):866. PMID: 15711296.
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    164. Clayman R. Exaggerated primary endoscope deflection: initial clinical experience with prototype flexible ureteroscopes. J Urol. 2005 Mar; 173(3):867-8. PMID: 15711297.
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    165. Clayman R. Usefulness of lower infundibular length-to-diameter ratio as a predictor of lower pole stone clearance after extracorporeal shock wave lithotripsy: clinical research with two lithotriptors. J Urol. 2005 Mar; 173(3):868. PMID: 15711298.
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    166. Li CC, Finley DS, Uribe C, Eichel L, Lee DI, McDougall EM, Clayman R. Effect of urine specific gravity on effectiveness of shockwave lithotripsy. J Endourol. 2005 Mar; 19(2):167-9. PMID: 15798412.
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    167. Venkatesh R, Landman J, Minor SD, Lee DI, Rehman J, Vanlangendonck R, Ragab M, Morrissey K, Sundaram CP, Clayman R. Impact of a double-pigtail stent on ureteral peristalsis in the porcine model: initial studies using a novel implantable magnetic sensor. J Endourol. 2005 Mar; 19(2):170-6. PMID: 15798413.
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    168. Clayman R. Minimally invasive surgical management of ureteropelvic junction obstruction: laparoscopic and robot-assisted laparoscopic pyeloplasty. J Urol. 2005 Mar; 173(3):868. PMID: 15711299.
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    169. Abdelshehid CS, Eichel L, Lee D, Uribe C, Boker J, Basillote J, McDougall EM, Clayman R, Winfield HN, Gill IS, Nakada SY, Erturk E, Babayan R, Shalhav AL, Sosa RE. Current trends in urologic laparoscopic surgery. J Endourol. 2005 Jan-Feb; 19(1):15-20. PMID: 15735376.
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    170. Clayman R. Man versus machine: brave new surgery. J Urol. 2004 Dec; 172(6 Pt 1):2128. PMID: 15538216.
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    171. Eichel L, Ahlering TE, Clayman R. Role of robotics in laparoscopic urologic surgery. Urol Clin North Am. 2004 Nov; 31(4):781-92. PMID: 15474606.
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    172. Clayman R. Laparoscopic nephrectomy: remembrances. J Endourol. 2004 Sep; 18(7):638-42; discussion 642. PMID: 15597651.
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    173. Lee DI, Clayman R. Percutaneous approaches to renal cryoablation. J Endourol. 2004 Sep; 18(7):643-6. PMID: 15597652.
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    174. Eichel L, Abdelshehid C, Lee DI, Uribe C, McDougall EM, Clayman R. In vitro comparison of burst tension and puncture pressure in commonly used organ retrieval bags. J Am Coll Surg. 2004 Jul; 199(1):166-9. PMID: 15217645.
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    175. Clayman M, Uribe CA, Eichel L, Gordon Z, McDougall EM, Clayman R. Comparison of guide wires in urology. Which, when and why? J Urol. 2004 Jun; 171(6 Pt 1):2146-50. PMID: 15126774.
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    176. Landman J, Olweny E, Sundaram CP, Andreoni C, Collyer WC, Rehman J, Jerde TJ, Lin HK, Lee DI, Nunlist EH, Humphrey PA, Nakada SY, Clayman R. Laparoscopic mid sagittal hemicystectomy and bladder reconstruction with small intestinal submucosa and reimplantation of ureter into small intestinal submucosa: 1-year followup. J Urol. 2004 Jun; 171(6 Pt 1):2450-5. PMID: 15126874.
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    177. Lee DI, Clayman R. Hand-assisted laparoscopic nephrectomy in autosomal dominant polycystic kidney disease. J Endourol. 2004 May; 18(4):379-82. PMID: 15253790.
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    178. Eichel L, Khonsari S, Lee DI, Basillote J, Shanberg A, Duel B, McDougall EM, Clayman R. One-knot pyeloplasty. J Endourol. 2004 Apr; 18(3):201-4; discussion 204. PMID: 15225380.
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    179. Emken JL, Mcdougall EM, Clayman R. Training and assessment of laparoscopic skills. JSLS. 2004 Apr-Jun; 8(2):195-9. PMID: 15119670; PMCID: PMC3015539.
    180. Landman J, Olweny E, Sundaram CP, Chen C, Rehman J, Lee DI, Shalhav A, Portis A, McDougall EM, Clayman R. Prospective comparison of the immunological and stress response following laparoscopic and open surgery for localized renal cell carcinoma. J Urol. 2004 Apr; 171(4):1456-60. PMID: 15017197.
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    181. Lee DI, Uribe C, Eichel L, Khonsari S, Basillote J, Park HK, Li CC, McDougall EM, Clayman R. Sealing percutaneous nephrolithotomy tracts with gelatin matrix hemostatic sealant: initial clinical use. J Urol. 2004 Feb; 171(2 Pt 1):575-8. PMID: 14713762.
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    182. Andreoni CR, Lin HK, Olweny E, Landman J, Lee D, Bostwick D, Clayman R. Comprehensive evaluation of ureteral healing after electrosurgical endopyelotomy in a porcine model: original report and review of the literature. J Urol. 2004 Feb; 171(2 Pt 1):859-69. PMID: 14713843.
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    183. Lee DI, Clayman R. Use of gelatin matrix to rapidly repair diaphragmatic injury during laparoscopy. Urology. 2004 Feb; 63(2):419; author reply 419. PMID: 14972514.
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    184. Rehman J, Landman J, Lee D, Venkatesh R, Bostwick DG, Sundaram C, Clayman R. Needle-based ablation of renal parenchyma using microwave, cryoablation, impedance- and temperature-based monopolar and bipolar radiofrequency, and liquid and gel chemoablation: laboratory studies and review of the literature. J Endourol. 2004 Feb; 18(1):83-104. PMID: 15006061.
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    185. Basillote JB, Lee DI, Eichel L, Clayman R. Ureteroscopes: flexible, rigid, and semirigid. Urol Clin North Am. 2004 Feb; 31(1):21-32. PMID: 15040398.
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    186. Khonsari S, Lee DI, Basillote JB, McDougall EM, Clayman R. Intraoperative catheter management during laparoscopic excision of a giant bladder diverticulum. J Laparoendosc Adv Surg Tech A. 2004 Feb; 14(1):47-50. PMID: 15035845.
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    187. Basillote JB, Shanberg AM, Woo D, Perer E, Rajpoot D, Clayman R. Laparoscopic excision of a seminal vesicle cyst in a child. J Urol. 2004 Jan; 171(1):369-71. PMID: 14665933.
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    188. Andreoni C, Srougi M, Ortiz V, Clayman R. Acucise endopyelotomy in a porcine model: procedure standardization and analysis of safety and immediate efficacy. Int Braz J Urol. 2004 Jan-Feb; 30(1):59-65. PMID: 15707519.
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    189. Sheir KZ, Zabihi N, Lee D, Teichman JM, Rehman J, Sundaram CP, Heimbach D, Hesse A, Delvecchio F, Zhong P, Preminger GM, Clayman R. Evaluation of synchronous twin pulse technique for shock wave lithotripsy: determination of optimal parameters for in vitro stone fragmentation. J Urol. 2003 Dec; 170(6 Pt 1):2190-4. PMID: 14634376.
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    190. Bhayani SB, Clayman R, Sundaram CP, Landman J, Andriole G, Figenshau RS, Bullock A, Brandes S, Shalhav A, McDougall E, Kibel AS. Surgical treatment of renal neoplasia: evolving toward a laparoscopic standard of care. Urology. 2003 Nov; 62(5):821-6. PMID: 14624901.
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    191. Sheir KZ, Lee D, Humphrey PA, Morrissey K, Sundaram CP, Clayman R. Evaluation of synchronous twin pulse technique for shock wave lithotripsy: in vivo tissue effects. Urology. 2003 Nov; 62(5):964-7. PMID: 14624935.
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    192. Ahlering TE, Skarecky D, Lee D, Clayman R. Successful transfer of open surgical skills to a laparoscopic environment using a robotic interface: initial experience with laparoscopic radical prostatectomy. J Urol. 2003 Nov; 170(5):1738-41. PMID: 14532766.
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    193. Rehman J, Landman J, Sundaram C, Clayman R. Tissue chemoablation. J Endourol. 2003 Oct; 17(8):647-57. PMID: 14622485.
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    194. Perer E, Lee DI, Ahlering T, Clayman R. Robotic revelation: laparoscopic radical prostatectomy by a nonlaparoscopic surgeon. J Am Coll Surg. 2003 Oct; 197(4):693-6. PMID: 14522340.
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    195. Lee DI, Andreoni CR, Rehman J, Landman J, Ragab M, Yan Y, Chen C, Shindel A, Middleton W, Shalhav A, McDougall EM, Clayman R. Laparoscopic cyst decortication in autosomal dominant polycystic kidney disease: impact on pain, hypertension, and renal function. J Endourol. 2003 Aug; 17(6):345-54. PMID: 12965058.
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    196. Clayman R. Endoloop-assisted laparoscopic partial nephrectomy. J Urol. 2003 Aug; 170(2 Pt 1):690. PMID: 14608972.
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    197. Clayman R. Role of Oxalobacter formigenes in calcium oxalate stone disease: a study from North India. J Urol. 2003 Aug; 170(2 Pt 1):685. PMID: 14601587.
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    198. Clayman R. Efficacy and outcome of surgical intervention in patients with nephrolithiasis and chronic renal failure. J Urol. 2003 Aug; 170(2 Pt 1):685-6. PMID: 14601588.
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    199. Clayman R. Flexible ureteroscopes: a user's guide. J Urol. 2003 Aug; 170(2 Pt 1):686. PMID: 14601589.
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    200. Clayman R. Air embolism: diagnosis with single-photon emission tomography and successful hyperbaric oxygen therapy. J Urol. 2003 Aug; 170(2 Pt 1):691. PMID: 14601604.
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    201. Clayman R. Anderson-Hynes dismembered pyeloplasty performed using the da Vinci robotic system. J Urol. 2003 Aug; 170(2 Pt 1):691-2. PMID: 14601605.
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    202. Clayman R. Assessment of basic endoscopic performance using a virtual reality simulator. J Urol. 2003 Aug; 170(2 Pt 1):692. PMID: 14601606.
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    203. Clayman R. Flexible ureterorenoscopy for the treatment of lower pole calyx stones: influence of different lithotripsy probes and stone extraction tools on scope reflection and irrigation flow. J Urol. 2003 Aug; 170(2 Pt 1):686-7. PMID: 14601591.
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    204. Clayman R. Ureteroscopic treatment of renal calculi in morbidly obese patients: a stone-matched comparison. J Urol. 2003 Aug; 170(2 Pt 1):687. PMID: 14601593.
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    205. Clayman R. Conservative management of upper urinary tract tumors. J Urol. 2003 Aug; 170(2 Pt 1):689-90. PMID: 14601602.
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    206. Clayman R. Intermittent versus continuous alkaline therapy for uric acid stones and ureteral stones of uncertain composition. J Urol. 2003 Aug; 170(2 Pt 1):684-5. PMID: 14601585.
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    207. Clayman R. Ureteroscopy and holmium: YAG laser lithotripsy: an emerging definitive management strategy for symptomatic ureteral calculi in pregnancy. J Urol. 2003 Aug; 170(2 Pt 1):688. PMID: 14601594.
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    208. Clayman R. Effect of overpressure and pulse repetition frequency on cavitation in shock wave lithotripsy. J Urol. 2003 Aug; 170(2 Pt 1):689. PMID: 14601601.
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    209. Clayman R. The first clinical results of "wide-focus and low-pressure" ESWL. J Urol. 2003 Aug; 170(2 Pt 1):688-9. PMID: 14601598.
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    210. Sundaram CP, Grubb RL, Rehman J, Yan Y, Chen C, Landman J, McDougall EM, Clayman R. Laparoscopic pyeloplasty for secondary ureteropelvic junction obstruction. J Urol. 2003 Jun; 169(6):2037-40. PMID: 12771713.
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    211. Landman J, Venkatesh R, Lee D, Vanlangendonck R, Morissey K, Andriole GL, Clayman R, Sundaram CP. Renal hypothermia achieved by retrograde endoscopic cold saline perfusion: technique and initial clinical application. Urology. 2003 May; 61(5):1023-5. PMID: 12736030.
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    212. Rehman J, Monga M, Landman J, Lee DI, Felfela T, Conradie MC, Srinivas R, Sundaram CP, Clayman R. Characterization of intrapelvic pressure during ureteropyeloscopy with ureteral access sheaths. Urology. 2003 Apr; 61(4):713-8. PMID: 12670551.
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    213. Van Velthoven RF, Ahlering TE, Peltier A, Skarecky DW, Clayman R. Technique for laparoscopic running urethrovesical anastomosis:the single knot method. Urology. 2003 Apr; 61(4):699-702. PMID: 12670546.
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    214. Lee H, Ryan RT, Teichman JM, Landman J, Clayman R, Milner TE, Welch AJ. Effect of lithotripsy on holmium:YAG optical beam profile. J Endourol. 2003 Mar; 17(2):63-7. PMID: 12689396.
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    215. Landman J, Kerbl K, Rehman J, Andreoni C, Humphrey PA, Collyer W, Olweny E, Sundaram C, Clayman R. Evaluation of a vessel sealing system, bipolar electrosurgery, harmonic scalpel, titanium clips, endoscopic gastrointestinal anastomosis vascular staples and sutures for arterial and venous ligation in a porcine model. J Urol. 2003 Feb; 169(2):697-700. PMID: 12544345.
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    216. Monga M, Landman J, Clayman R. Bare naked baskets: optimizing ureteroscopic stone extraction. Urology. 2003 Feb; 61(2):490. PMID: 12597987.
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    217. Portis AJ, Yan Y, Pattaras JG, Andreoni C, Moore R, Clayman R. Matched pair analysis of shock wave lithotripsy effectiveness for comparison of lithotriptors. J Urol. 2003 Jan; 169(1):58-62. PMID: 12478102.
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    218. Landman J, Clayman R. Re: Bare naked baskets: ureteroscope deflection and flow characteristics with intact and disassembled ureteroscopic nitinol stone baskets. J Urol. 2003 Jan; 169(1):292-3. PMID: 12478170.
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    219. Andreoni C, Olweny EO, Portis AJ, Sundaram CP, Monk T, Clayman R. Effect of single-dose subarachnoid spinal anesthesia on pain and recovery after unilateral percutaneous nephrolithotomy. J Endourol. 2002 Dec; 16(10):721-5. PMID: 12542874.
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    220. Monga M, Dretler SP, Landman J, Slaton JW, Conradie MC, Clayman R. Maximizing ureteroscope deflection: "play it straight". Urology. 2002 Nov; 60(5):902-5. PMID: 12429326.
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    221. Collyer WC, Landman J, Olweny EO, Andreoni C, Kibel A, Andriole GL, Bostwick DG, Sundaram CP, Clayman R. Laparoscopic partial nephrectomy with a novel electrosurgical snare in a porcine model. J Endourol. 2002 Nov; 16(9):673-9. PMID: 12490022.
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    222. Grubb RL, Sundaram CP, Yan Y, Chen C, McDougall EM, Clayman R. Use of titanium staples during upper tract laparoscopic reconstructive surgery: initial experience. J Urol. 2002 Oct; 168(4 Pt 1):1366-9. PMID: 12352394.
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    223. Rehman J, Landman J, Tucker RD, Bostwick DG, Sundaram CP, Clayman R. Ferromagnetic self-regulating reheatable thermal rod implants for in situ tissue ablation. J Endourol. 2002 Sep; 16(7):523-31. PMID: 12396447.
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    224. Landman J, Rehman J, Sundaram CP, Bhayani S, Monga M, Pattaras JG, Gokden N, Humphrey PA, Clayman R. Renal hypothermia achieved by retrograde intracavitary saline perfusion. J Endourol. 2002 Sep; 16(7):445-9. PMID: 12396435.
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    225. Clayman R. Multi-institutional study of complications in 1085 laparoscopic urologic procedures. J Urol. 2002 Aug; 168(2):871-2. PMID: 12136856.
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    226. Clayman R. Transatlantic robot-assisted telesurgery. J Urol. 2002 Aug; 168(2):873-4. PMID: 12136861.
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    227. Clayman R. Indwelling ureteral stents evaluation of quality of life to aid outcome analysis. J Urol. 2002 Aug; 168(2):872. PMID: 12136857.
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    228. Clayman R. Laparoscopic radical nephrectomy. J Urol. 2002 Aug; 168(2):872. PMID: 12136858.
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    229. Clayman R. Transperitoneal laparoscopy renal surgery using blunt 12-mm trocar without fascial closure. J Urol. 2002 Aug; 168(2):872. PMID: 12136859.
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    230. Clayman R. Radially expanding laparoscopic access for renal/adrenal surgery. J Urol. 2002 Aug; 168(2):872-3. PMID: 12136860.
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    231. Clayman R. Flexible ureteroscopy in conjunction with in situ lithotripsy for lower pole calculi. J Urol. 2002 Aug; 168(2):874. PMID: 12136862.
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    232. Bhayani SB, Monga M, Landman J, Clayman R. Bare naked baskets: optimizing ureteroscopic stone extraction. Urology. 2002 Jul; 60(1):147-8. PMID: 12100943.
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    233. Kerbl K, Rehman J, Landman J, Lee D, Sundaram C, Clayman R. Current management of urolithiasis: progress or regress? J Endourol. 2002 Jun; 16(5):281-8. PMID: 12184077.
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    234. Landman J, Monga M, El-Gabry EA, Rehman J, Lee DI, Bhayani S, Sundaram CP, Clayman R. Bare naked baskets: ureteroscope deflection and flow characteristics with intact and disassembled ureteroscopic nitinol stone baskets. J Urol. 2002 Jun; 167(6):2377-9. PMID: 11992041.
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    235. Landman J, Lev RY, Bhayani S, Alberts G, Rehman J, Pattaras JG, Figenshau RS, Kibel AS, Clayman R, McDougall E. Comparison of hand assisted and standard laparoscopic radical nephroureterectomy for the management of localized transitional cell carcinoma. J Urol. 2002 Jun; 167(6):2387-91. PMID: 11992043.
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    236. Olweny EO, Landman J, Andreoni C, Collyer W, Kerbl K, Onciu M, Välimaa T, Clayman R. Evaluation of the use of a biodegradable ureteral stent after retrograde endopyelotomy in a porcine model. J Urol. 2002 May; 167(5):2198-202. PMID: 11956478.
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    237. Conradie MC, Landman J, Monga M, Rehman J, Clayman R. Effect of argon-beam coagulation on the integrity of suture material. J Endourol. 2002 Apr; 16(3):191-4. PMID: 12028631.
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    238. Narepalem N, Sundaram CP, Boridy IC, Yan Y, Heiken JP, Clayman R. Comparison of helical computerized tomography and plain radiography for estimating urinary stone size. J Urol. 2002 Mar; 167(3):1235-8. PMID: 11832704.
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    239. Sundaram CP, Ono Y, Landman J, Rehman J, Clayman R. Hydrophilic guide wire technique to facilitate organ entrapment using a laparoscopic sack during laparoscopy. J Urol. 2002 Mar; 167(3):1376-7. PMID: 11832736.
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    240. Portis AJ, Yan Y, Landman J, Chen C, Barrett PH, Fentie DD, Ono Y, McDougall EM, Clayman R. Long-term followup after laparoscopic radical nephrectomy. J Urol. 2002 Mar; 167(3):1257-62. PMID: 11832709.
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    241. Castaneda-Zuniga WR, Clayman R, Smith A, Rusnak B, Herrera M, Amplatz K. Nephrostolithotomy: percutaneous techniques for urinary calculus removal. 1982. J Urol. 2002 Feb; 167(2 Pt 2):849-53; discussion 854. PMID: 11905909.
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    242. Clayman R. Effectiveness of nifedipine and deflazacort in the management of distal ureter stones. J Urol. 2002 Feb; 167(2 Pt 1):797-8. PMID: 11799973.
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    243. Clayman R. Nitinol stone retrieval-assisted ureteroscopic management of lower pole renal calculi. J Urol. 2002 Feb; 167(2 Pt 1):798-9. PMID: 11799974.
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    244. Clayman R, Kavoussi LR, Soper NJ, Dierks SM, Meretyk S, Darcy MD, Long SR, Roemer FD, Pingleton ED, Thomson PG. Laparoscopic nephrectomy. 1991. J Urol. 2002 Feb; 167(2 Pt 2):862; discussion 863. PMID: 11905912.
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    245. Pattaras JG, Moore RG, Landman J, Clayman R, Janetschek G, McDougall EM, Docimo SG, Parra RO, Kavoussi LR. Incidence of postoperative adhesion formation after transperitoneal genitourinary laparoscopic surgery. Urology. 2002 Jan; 59(1):37-41. PMID: 11796277.
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