共 31 条
[2]
Barham J M, 1989, Obstet Gynecol Surv, V44, P650, DOI 10.1097/00006254-198909000-00003
[3]
Benson CB, 1996, ULTRASOUND OBST GYN, V8, P371
[4]
BROWN DL, 1991, OBSTET GYNECOL, V77, P406
[5]
CHAOK M, 1993, J FORMOS MED ASSOC, V92, P420
[9]
Eblen AC, 1999, J REPROD MED, V44, P61