title: Journal agrees to retract paper after university found study was never done.
authors.affiliation: BMJ.
authors.forename: Clare
authors.initials: C
authors.lastname: Dyer
mesh_terms: D006801:Humans; D010300:Parkinson Disease / Q000150:complications; D010506:Periodicals as Topic; D028743:Professional Misconduct; D011793:Queensland; D012106:Research / Q000592:standards*; D012180:Retraction of Publication as Topic; D013064:Speech Disorders / Q000628:therapy; D050781:Transcranial Magnetic Stimulation