title: Is the placebo powerless?
authors.forename: D
authors.initials: D
authors.lastname: Spiegel
authors.forename: H
authors.initials: H
authors.lastname: Kraemer
authors.forename: R W
authors.initials: RW
authors.lastname: Carlson
mesh_terms: D006801:Humans; D015201:Meta-Analysis as Topic; D059408:Pain Management; D015990:Placebo Effect; D010919:Placebos / Q000627:therapeutic use; D016032:Randomized Controlled Trials as Topic / Q000379:methods; D016896:Treatment Outcome
chemical_list: D010919:Placebos