title: All placebos are not created equally.
authors.forename: Rita F
authors.initials: RF
authors.lastname: Redberg
mesh_terms: D006801:Humans; D008881:Migraine Disorders / Q000517:prevention & control* / Q000628:therapy*; D015990:Placebo Effect; D010919:Placebos / Q000627:therapeutic use*
chemical_list: D010919:Placebos