共 11 条
[2]
Mainprize T C, 1988, Obstet Gynecol Surv, V43, P724, DOI 10.1097/00006254-198812000-00003
[3]
MANN WJ, 1988, OBSTET GYNECOL, V72, P82
[4]
PETTIT PD, 1994, OBSTET GYNECOL, V84, P318
[6]
STANHOPE RC, 1991, AM J OBSTET GYNECOL, V14, P1513
[7]
STANTON SL, 1978, CLIN OBSTET GYNAECOL, V5, P83
[8]
SYMMONDS R E, 1976, Clinical Obstetrics and Gynecology, V19, P623, DOI 10.1097/00003081-197609000-00012
[9]
TIMMONS MC, 1990, OBSTET GYNECOL, V75, P137