[Neonatal mortality as related to birth weight and gestational age].
D001724:Birth Weight; D005865:Gestational Age; D006801:Humans; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007233:Infant, Postmature; D007234:Infant, Premature; D007236:Infant, Small for Gestational Age; D007558:Italy; D014481:United States
Mortalità neonatale in rapporto al peso alla nascita ed all'età gestazionale.