CU 49. Retroperitoneal laparoendoscopic single - site radical nephrectomy using self - made single - port device: Initial experience - Zhou, Li-Qun; Fang, Dong; Li, Xue-Song; Yu, Wei; Zhang, Zheng; Wasilijiang, Wa-ha-fu; Zhang, Cui-Jian; Hao, Han (Translational Andrology and Urology, 2012)