The promise of regional perinatal care as a national strategy for improved maternal and infant care.
D002662:Child Health Services / Q000458:organization & administration*; D003695:Delivery of Health Care; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008427:Maternal Health Services / Q000458:organization & administration*; D011247:Pregnancy; D012041:Regional Medical Programs; D014481:United States