Placenta previa. A functional classification and a report on 408 cases.
D002585:Cesarean Section; D002965:Classification; D036861:Delivery, Obstetric; D005260:Female; D005313:Fetal Death; D006801:Humans; D007231:Infant, Newborn; D010923:Placenta Previa; D011247:Pregnancy; D013223:Statistics as Topic