[Epidemiologic study of infant mortality. Vallenar hospital area, 1967].
D002677:Chile; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012959:Socioeconomic Factors
Esutido epidiemiológico de la mortalidad infantil. Area Hospitalaria Vallenar, año 1967.