共 5 条
[1]
Duff P, 1983, Obstet Gynecol Surv, V38, P365, DOI 10.1097/00006254-198306000-00007
[4]
Munsick R A, 1981, Obstet Gynecol Surv, V36, P57, DOI 10.1097/00006254-198102000-00001
[5]
VANHOE L, 1994, J COMPUT ASSIST TOMO, V18, P643