TY  - JOUR 
T1  - 40<sup>th</sup> Edition
JO  - International braz j urol
SN  - 1677-5538
UL  - 10.1590/S1677-5538.IBJU.2014.04.01
VL  - 40 
Y1  - 2014
PB  - Brasil 
ER  -