title: Is the placebo powerless?
authors.forename: C J
authors.initials: CJ
authors.lastname: McDonald
mesh_terms: D003627:Data Interpretation, Statistical; D006801:Humans; D015990:Placebo Effect; D010919:Placebos / Q000009:adverse effects / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic; D012044:Regression Analysis
chemical_list: D010919:Placebos