TY  - JOUR 
T1  - Assessment of sexual function in patients undergoing vasectomy using the international index of erectile function
JO  - International braz j urol
A1  - Bertero, Eduardo
A1  - Hallak, Jorge
A1  - Gromatzky, Celso
A1  - Lucon, Antonio M.
A1  - Arap, Sami
SN  - 1677-5538
UL  - 10.1590/S1677-55382005000500006
VL  - 31 
Y1  - 2005
PB  - Brasil 
ER  -