TY  - JOUR 
T1  - Pediatric urology
JO  - International braz j urol
A1  - Kogan, Barry A.
SN  - 1677-5538
UL  - 10.1590/S1677-55382003000300022
VL  - 29 
Y1  - 2003
PB  - Brazil 
ER  -