TY  - JOUR 
T1  - Re: sperm defect severity rather than sperm source is associated with lower fertilization rates after intracytoplasmic sperm injection
JO  - International braz j urol
A1  - Verza Jr, Sidney
A1  - Esteves, Sandro C.
SN  - 1677-5538
UL  - 10.1590/S1677-55382008000200015
VL  - 34 
Y1  - 2008
PB  - Brasil 
ER  -