Neonatal morbidity and mortality among Nigerian infants in a special-care baby unit.
D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D008297:Male; D009549:Nigeria; D011446:Prospective Studies