共 23 条
[2]
BROWN SM, 1981, OBSTET GYNECOL, V57, P22
[5]
CREASY RK, 1980, OBSTET GYNECOL, V55, P692
[6]
CREASY RK, 1989, MATERNAL FETAL MED P, P477
[7]
ERICKSON JD, 1982, JAMA-J AM MED ASSOC, V247, P987
[8]
FISCHER JR, 1991, CLIN PHARM, V110, P292
[9]
GOLDENBERG RL, 1990, OBSTET GYNECOL, V75, P933