title: Research in developing countries.
authors.forename: Steven D
authors.initials: SD
authors.lastname: Schwaitzberg
mesh_terms: D002986:Clinical Trials as Topic / Q000191:economics / Q000592:standards*; D003906:Developing Countries; D004992:Ethics, Medical; D006801:Humans; D010919:Placebos / Q000627:therapeutic use*; D014481:United States
chemical_list: D010919:Placebos