Etiology of premature separation of the normally implanted placenta. Preliminary observations.
D000037:Abruptio Placentae / Q000209:etiology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D014592:Uterine Hemorrhage / Q000209:etiology; D014599:Uterus / Q000098:blood supply*; D014684:Venae Cavae