Razdan S, Johannes J, Cox M, et al. Current practice patterns in urologic management of upper-tract transitional-cell carcinoma. J Endourol. 2005;19:366–71.PubMedCrossRef

Tan BJ, Rastinehad AR, Marcovich R, et al. Trends in ureteropelvic junction obstruction management among urologists in the United States. Urology. 2005;65:260–4.PubMedCrossRef

Gerber GS. Trends in endourologic practice. J Endourol. 2002;16:347–8.PubMedCrossRef

Preminger GM, Tiselius HG, Assimos DG, et al. 2007 Guideline for the management of ureteral calculi. Eur Urol. 2007;52:1610–31.PubMedCrossRef

Fuchs M, Fuchs GJ. Retrograde intrarenal surgery for calculus disease: new minimally invasive treatment approach. J Endourol. 1990;4:337–41.

Fabrizio MD, Behari A, Bagley DH. Ureteroscopic management of intrarenal calculi. J Urol. 1998;159:1139–43.PubMedCrossRef

Grasso M. Ureteropyeloscopic treatment of ureteral and intrarenal calculi. Urol Clin North Am. 2000;27:623–31.PubMedCrossRef

Breda A, Ogunyemi O, Leppert JT, et al. Flexible ureteroscopy and laser lithotripsy for single intrarenal stones 2 cm or greater–is this the new frontier? J Urol. 2008;179:981–4.PubMedCrossRef

Grasso M, Conlin M, Bagley D. Retrograde ureteropyeloscopic treatment of 2 cm. or greater upper urinary tract and minor Staghorn calculi. J Urol. 1998;160:346–51.PubMedCrossRef

Chung BI, Aron M, Hegarty NJ, et al. Ureteroscopic versus percutaneous treatment for medium-size (1–2-cm) renal calculi. J Endourol. 2008;22:343–6.PubMedCrossRef

Pearle MS, Lingeman JE, Leveillee R, et al. Prospective, randomized trial comparing shock wave lithotripsy and ureteroscopy for lower pole caliceal calculi 1 cm or less. J Urol. 2005;173:2005–9.PubMedCrossRef

Portis AJ, Rygwall R, Holtz C, et al. Ureteroscopic laser lithotripsy for upper urinary tract calculi with active fragment extraction and computerized tomography followup. J Urol. 2006;2006(175):2129–33. discussion 33–4.CrossRef

Macejko A, Okotie OT, Zhao LC, et al. Computed tomography-determined stone-free rates for ureteroscopy of upper-tract stones. J Endourol. 2009;23:379–82.PubMedCrossRef

L’Esperance JO, Ekeruo WO, Scales Jr CD, et al. Effect of ureteral access sheath on stone-free rates in patients undergoing ureteroscopic management of renal calculi. Urology. 2005;66:252–5.PubMedCrossRef

Schatloff O, Lindner U, Ramon J, et al. Randomized trial of stone fragment active retrieval versus spontaneous passage during holmium laser lithotripsy for ureteral stones. J Urol. 2010;183:1031–5.PubMedCrossRef

Gravina GL, Costa AM, Ronchi P, et al. Tamsulosin treatment increases clinical success rate of single extracorporeal shock wave lithotripsy of renal stones. Urology. 2005;66:24–8.PubMedCrossRef

Zhu Y, Duijvesz D, Rovers MM, et al. Alpha-blockers to assist stone clearance after extracorporeal shock wave lithotripsy: a meta-analysis. BJU Int. 2010;106:256–61.PubMedCrossRef

John TT, Razdan S. Adjunctive tamsulosin improves stone free rate after ureteroscopic lithotripsy of large renal and ureteric calculi: a prospective randomized study. Urology. 2010;75:1040–2.PubMedCrossRef

Semins MJ, Trock BJ, Matlaga BR. The effect of shock wave rate on the outcome of shock wave lithotripsy: a meta-analysis. J Urol. 2008;179:194–7. discussion 97.PubMedCrossRef

Dash A, Schuster TG, Hollenbeck BK, et al. Ureteroscopic treatment of renal calculi in morbidly obese patients: a stone-matched comparison. Urology. 2002;60:393–7. discussion 97.PubMedCrossRef

Deem S, Defade B, Modak A, et al. Percutaneous nephrolithotomy versus extracorporeal shock wave lithotripsy for moderate sized kidney stones. Urology. 2011;78:739–43.PubMedCrossRef

Turna B, Stein RJ, Smaldone MC, et al. Safety and efficacy of flexible ureterorenoscopy and holmium:YAG lithotripsy for intrarenal stones in anticoagulated cases. J Urol. 2008;179:1415–9.PubMedCrossRef

Wignall GR, Canales BK, Denstedt JD, et al. Minimally invasive approaches to upper urinary tract urolithiasis. Urol Clin North Am. 2008;35:441–54. viii.PubMedCrossRef

Ng CF. The effect of age on outcomes in patients undergoing treatment for renal stones. Curr Opin Urol. 2009;19:211–4.PubMedCrossRef

Ng CF, Siu DY, Wong A, et al. Development of a scoring system from noncontrast computerized tomography measurements to improve the selection of upper ureteral stone for extracorporeal shock wave lithotripsy. J Urol. 2009;181:1151–7.PubMedCrossRef

Perks AE, Schuler TD, Lee J, et al. Stone attenuation and skin-to-stone distance on computed tomography predicts for stone fragmentation by shock wave lithotripsy. Urology. 2008;72:765–9.PubMedCrossRef

Wang LJ, Wong YC, Huang CC, et al. Multidetector computerized tomography urography is more accurate than excretory urography for diagnosing transitional cell carcinoma of the upper urinary tract in adults with hematuria. J Urol. 2010;183:48–55.PubMedCrossRef