[Mortality of the premature infant. Some determinant factors].
D001118:Argentina; D001724:Birth Weight; D002677:Chile; D003462:Cuba; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D008423:Maternal Age; D007744:Obstetric Labor Complications; D011247:Pregnancy; D011248:Pregnancy Complications; D012189:Retrospective Studies; D014481:United States
Mortalidad del prematuro. Algunos factores determinantes.