title: Questioning the methodological superiority of 'placebo' over 'active' controlled trials.
authors.affiliation: Departments of Obstetrics and Gynecology, Clinical Epidemiology and Biostatistics, McMaster University, Toronto, Ontario, Canada. enkin@fhs.csu.McMaster.CA
authors.forename: Murray W
authors.initials: MW
authors.lastname: Enkin
mesh_terms: D018849:Controlled Clinical Trials as Topic / Q000941:ethics* / Q000379:methods*; D019317:Evidence-Based Medicine; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D006801:Humans; D010919:Placebos / Q000266:history; D016032:Randomized Controlled Trials as Topic / Q000941:ethics / Q000379:methods; D012107:Research Design
chemical_list: D010919:Placebos