Dramatically improved outcome of extremely low birth weight infants: Experience in Indiana in 1977.
D000013:Congenital Abnormalities / Q000453:epidemiology; D005500:Follow-Up Studies; D006801:Humans; D007196:Indiana; D007223:Infant; D007224:Infant Care / Q000592:standards; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology