title: Double-blind, placebo-controlled trials for surgical interventions in Parkinson disease.
authors.forename: C Warren
authors.initials: CW
authors.lastname: Olanow
mesh_terms: D004311:Double-Blind Method; D006801:Humans; D019635:Neurosurgical Procedures / Q000941:ethics / Q000379:methods*; D010300:Parkinson Disease / Q000601:surgery*; D016032:Randomized Controlled Trials as Topic