title: The motor disorder of multiple system atrophy.
authors.forename: N P
authors.initials: NP
authors.lastname: Quinn
authors.forename: C D
authors.initials: CD
authors.lastname: Marsden
mesh_terms: D001342:Autonomic Nervous System Diseases / Q000503:physiopathology; D002531:Cerebellum / Q000503:physiopathology; D006801:Humans; D009069:Movement Disorders / Q000503:physiopathology*; D009849:Olivopontocerebellar Atrophies / Q000503:physiopathology*; D010300:Parkinson Disease / Q000503:physiopathology; D011712:Pyramidal Tracts / Q000503:physiopathology; D012791:Shy-Drager Syndrome / Q000503:physiopathology