TY - JOUR AU - Li, Haoyong AU - Liang, Peiyu AU - Zhou, Zhiyan AU - Song, Peng AU - Peng, Xiaohui AU - Wang, Shengxing AU - Xu, Haibo AU - Yan, Yi AU - Ou, Shanji PY - 2012 TI - CU 06. Difficulties of retroperitoneal laparoscopic ureterolithotomy for upper ureteral calculi in learning curve in 33 patients JF - Translational Andrology and Urology; Vol 1, Supplement 1 (March 07, 2012): Translational Andrology and Urology Y2 - 2012 KW - N2 - UR - https://tau.amegroups.org/article/view/249