The cytology of early abortion.
D000022:Abortion, Spontaneous / Q000175:diagnosis*; D000328:Adult; D000818:Animals; D002454:Cell Differentiation; D002642:Chick Embryo; D005260:Female; D005333:Fetus / Q000166:cytology; D006801:Humans; D011247:Pregnancy; D014626:Vaginal Smears