title: Evaluating interventions against tropical diseases.
authors.forename: P G
authors.initials: PG
authors.lastname: Smith
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods; D003906:Developing Countries; D004812:Epidemiologic Methods; D004992:Ethics, Medical; D006801:Humans; D011315:Preventive Medicine / Q000379:methods*; D012107:Research Design; D014330:Tropical Medicine