TY  - JOUR 
T1  - The Harbin Medical University nephrectomy score: a quantitative system for evaluating the complexity of laparoscopic retroperitoneal simple nephrectomy
JO  - International braz j urol
A1  - Liu, Yiwen
A1  - Wang, Chunyang
A1  - Wu, Xiuhai
A1  - Kong, Linglong
A1  - Ni, Shaobin
SN  - 1677-5538
UL  - 10.1590/S1677-5538.IBJU.2018.0634
VL  - 45 
Y1  - 2019
PB  - Brasil 
ER  -