TY  - GEN
AU  - O'Brien,J M
TI  - Male factor infertility
SN  - 0095-4543
PY  - 1990///0213
KW  - Humans
KW  - Infertility, Male
KW  - diagnosis
KW  - Male
KW  - Reproductive Techniques
N1  - Publication Type: Journal Article; Review
ER  -