title: Placenta previa: a survey of twenty years experience with improved perinatal survival by expectant therapy and cesarean delivery.
mesh_terms: D001724:Birth Weight; D001803:Blood Transfusion; D002585:Cesarean Section; D003937:Diagnosis, Differential; D005260:Female; D005865:Gestational Age; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D009657:North Carolina; D010347:Patient Care Planning; D010923:Placenta Previa / Q000150:complications / Q000175:diagnosis / Q000628:therapy; D006473:Postpartum Hemorrhage / Q000453:epidemiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis; D012189:Retrospective Studies; D012771:Shock, Hemorrhagic / Q000453:epidemiology