TY  - JOUR 
T1  - Pathology
JO  - International braz j urol
A1  - Billis, Athanase
SN  - 1677-5538
UL  - 10.1590/S1677-55382006000500020
VL  - 32 
Y1  - 2006
PB  - Brazil 
ER  -