[Epidemiological aspects of prematurity].
D002677:Chile; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases / Q000453:epidemiology; D008297:Male
Aspectos epidemiológicos de la prematurez.