title: [Why do effective interventions to improve childhood survival not reach those who most need them?].
authors.forename: Anibal
authors.initials: A
authors.lastname: Velásquez
mesh_terms: D002648:Child; D002662:Child Health Services / Q000592:standards*; D046688:Child Mortality; D006297:Health Services Accessibility / Q000592:standards*; D054625:Healthcare Disparities; D006801:Humans