title: From Rio to Iragua--sustainability versus efficiency and equity for preventive health interventions.
authors.forename: C
authors.initials: C
authors.lastname: Lengeler
mesh_terms: D017047:Cost Sharing; D004526:Efficiency; D005378:Financial Support; D014943:Global Health; D006801:Humans; D011314:Preventive Health Services / Q000191:economics*