title: Ethical issues in the difference between placebo-controlled and active-controlled trials.
authors.affiliation: Bioethics Unit, Office of the President, Istituto Superiore di Sanità, Via Giano della Bella 34, Rome, Italy. carlo.petrini@iss.it
authors.forename: Carlo
authors.initials: C
authors.lastname: Petrini
mesh_terms: D018849:Controlled Clinical Trials as Topic / Q000941:ethics* / Q000379:methods*; D006801:Humans; D010817:Physician-Patient Relations / Q000941:ethics*; D015990:Placebo Effect; D010919:Placebos; D012107:Research Design; D035844:Researcher-Subject Relations / Q000941:ethics*
chemical_list: D010919:Placebos