Robot-assisted laparoscopic partial nephrectomy (Report of 20 cases)
Xie Yongpeng, Ma Xin, Li Hongzhao, Shi Taoping, Zhang Yu, Ai Qing, Fan Yang, Gao Yu, Li Xintao, Chen Luyao, Ming Shaoxiong, Shen Donglai, Gu Liangyou, Niu Shaoxi, Li Shichao, Gong Huijie, Zhang Xu