Current concepts: the low-birth-weight infant--evolution of a changing outlook.
D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007224:Infant Care / Q000592:standards* / Q000639:trends; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000628:therapy; D007362:Intensive Care Units / Q000592:standards; D008427:Maternal Health Services / Q000458:organization & administration; D009725:Nurseries, Hospital / Q000592:standards*; D010043:Outcome and Process Assessment, Health Care; D011247:Pregnancy; D011379:Prognosis; D014481:United States