共 7 条
[1]
CARENZA L, 1993, GYNECOLOGIC OBSTET S, P386
[2]
GRAINGER DA, 1990, OBSTET GYNECOL, V75, P839
[3]
LEE CL, 1993, J REPROD MED, V15, P582
[7]
WOODLAND MB, 1992, AM J OBSTET GYNECOL, V17, P756