共 10 条
[4]
Golan A, 1989, Obstet Gynecol Surv, V44, P96, DOI 10.1097/00006254-198902000-00004
[5]
HARGER JH, 1980, OBSTET GYNECOL, V56, P543
[6]
MULTICENTERED CONTROLLED TRIAL OF CERVICAL CERCLAGE IN WOMEN AT MODERATE RISK OF PRETERM DELIVERY
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1984, 91 (08)
:731-735
[7]
SHORTLE B, 1989, FERTIL STERIL, V52, P181
[10]
WEISSMAN A, 1990, OBSTET GYNECOL, V76, P168