title: Unbalanced randomization influences placebo response: scientific versus ethical issues around the use of placebo in migraine trials.
authors.affiliation: Department of Neurology, University of Essen, Germany. h.diener@uni-essen.de
authors.forename: H C
authors.initials: HC
authors.lastname: Diener
authors.forename: A J
authors.initials: AJ
authors.lastname: Dowson
authors.forename: M
authors.initials: M
authors.lastname: Ferrari
authors.forename: G
authors.initials: G
authors.lastname: Nappi
authors.forename: P
authors.initials: P
authors.lastname: Tfelt-Hansen
mesh_terms: D004311:Double-Blind Method; D004992:Ethics, Medical; D006801:Humans; D008881:Migraine Disorders / Q000188:drug therapy*; D010080:Oxazoles / Q000627:therapeutic use*; D023303:Oxazolidinones; D010919:Placebos; D017366:Serotonin Receptor Agonists / Q000627:therapeutic use*; D018170:Sumatriptan / Q000627:therapeutic use*; D016896:Treatment Outcome; D014363:Tryptamines
chemical_list: D010080:Oxazoles; D023303:Oxazolidinones; D010919:Placebos; D017366:Serotonin Receptor Agonists; D014363:Tryptamines; C089750:zolmitriptan; D018170:Sumatriptan