title: [Neonatal mortality: definitions and limitations].
mesh_terms: D001724:Birth Weight; D002423:Cause of Death; D002677:Chile; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy
vernacular_title: Mortalidad neonatal: definiciones y limitaciones.