共 16 条
[1]
ACKER D, 1982, OBSTET GYNECOL, V59, P710
[3]
CETRULO C L, 1980, Clinical Obstetrics and Gynecology, V23, P533, DOI 10.1097/00003081-198006000-00022
[4]
CHERVENAK FA, 1983, OBSTET GYNECOL, V62, P160
[5]
CHERVENAK FA, 1984, AM J OBSTET GYNECOL, V148, P1
[6]
CHERVENAK FA, 1985, OBSTET GYNECOL, V65, P119
[8]
FAROOQUI MO, 1973, OBSTET GYNECOL SURV, V28, P144
[10]
KAUPPILA A, 1975, ACTA OBSTET GYNECO S, V54, P5