title: [Health and social problems of the 4th world].
mesh_terms: D000368:Aged; D002648:Child; D002670:Child, Abandoned; D005260:Female; D006301:Health Services Needs and Demand; D006302:Health Services Research; D006299:Health Services for the Aged; D006703:Ill-Housed Persons; D006801:Humans; D007391:International Cooperation; D008297:Male; D011203:Poverty; D012036:Refugees; D012066:Relief Work; D011477:Sex Work; D012847:Single Person; D012935:Social Justice; D012940:Social Problems; D014171:Transients and Migrants
vernacular_title: Problemas sanitarios y sociales del cuarto mundo.