1. Fiber optics in urology;Marshall;J Urol,1964
2. Ureteroscopic stone retrieval: rigid versus flexible ureteroscopes;Bagley;Semin Urol,1994
3. [Clinical experience with Ureteromat in transurethral ureterorenoscopy.];Baba;Nippon Hinyokika Gakkai Zasshi,1989
4. The new Olympus digital flexible ureteroscope (URF-V): initial experience;Al-Qahtani;Urol Ann,2011
5. Türk C, Knoll T, Petrik A, et al. Guidelines on Urolithiasis, European Association of Urology. 2011:2-103. Available at www.uroweb.org/guidelines/online-guidelines. Accessed January 21, 2013.