共 12 条
- [1] [Anonymous], 1993, WHO MANUAL STANDARDI
- [2] BARRATT CLR, 1993, FERTIL STERIL, V60, P520
- [4] KRUGER TF, 1988, FERTIL STERIL, V49, P112
- [5] KRUGER TF, 1993, FERTIL STERIL, V59, P202
- [6] KRUGER TF, 1986, FERTIL STERIL, V46, P1118
- [8] MATSON PL, 1995, IN PRESS HUM REPROD, V10