TY  - JOUR 
T1  - Pathology
JO  - International braz j urol
A1  - Billis, Athanase
SN  - 1677-5538
UL  - 10.1590/S1677-55382009000100020
VL  - 35 
Y1  - 2009
PB  - Brasil 
ER  -