[ATTEMPT OF CONTROL OF INFANT MORTALITY IN AN EXPERIMENTAL SECTOR OF THE AREA AT SAN BERNARDO-BUIN].
D002648:Child; D002669:Child Welfare; D002677:Chile; D006801:Humans; D007223:Infant; D007224:Infant Care; D007226:Infant Mortality; D007231:Infant, Newborn
CHILD WELFARE; CHILE; INFANT; INFANT CARE; INFANT MORTALITY; INFANT, NEWBORN
ENSAYO DE CONTROL DE LA MORTALIDAD INFANTIL EN UN SECTOR EXPERIMENTAL DEL AREA SAN BERNARDO-BUIN.