title: The world's poor children.
authors.forename: A
authors.initials: A
authors.lastname: Costello
mesh_terms: D002648:Child; D002669:Child Welfare; D002675:Child, Preschool; D003906:Developing Countries; D004632:Emergency Medical Services; D006266:Health Education; D005102:Health Expenditures; D006801:Humans; D007114:Immunization; D011203:Poverty