共 13 条
[2]
BROOKS PG, 1989, J REPROD MED, V34, P435
[3]
DERMAN SG, 1991, OBSTET GYNECOL, V77, P591
[4]
DUFFY S, 1991, OBSTET GYNECOL, V79, P300
[5]
DUFFY SRG, 1993, THESIS U COLLEGE COR