共 5 条
[1]
BORONOW RC, 1984, OBSTET GYNECOL, V63, P825
[2]
COWLES TA, 1985, OBSTET GYNECOL, V66, P413
[3]
DANIEL AG, 1988, OBSTET GYNECOL, V71, P612
[5]
REINER, 1988, OBSTET GYN, V71, P416