共 18 条
[2]
BOND AL, 1989, OBSTET GYNECOL, V73, P857
[3]
CHANDRA P, 1978, OBSTET GYNECOL, V52, P612
[4]
COADY DJ, 1985, NY STATE J MED, V5, P655
[5]
CONFINO E, 1989, FERTIL STERIL, V52, P600
[6]
DURFEE RB, 1987, CURRENT OBSTET GYNAE, P255
[10]
LAVY G, 1986, FERTIL STERIL, V46, P21