title: A 32-year-old man with progressive spasticity and parkinsonism.
authors: Columbia-Presbyterian Medical Center, New York, NY, USA.
authors: S
authors: S
authors: Frucht
authors: S
authors: S
authors: Fahn
authors: K M
authors: KM
authors: Shannon
authors: C H
authors: CH
authors: Waters
mesh_terms: D000328:Adult; D003072:Cognition Disorders / Q000209:etiology*; D003937:Diagnosis, Differential; D018450:Disease Progression; D006801:Humans; D006816:Huntington Disease / Q000145:classification / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology; D008297:Male; D009128:Muscle Spasticity / Q000209:etiology*; D019636:Neurodegenerative Diseases / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology; D010302:Parkinson Disease, Secondary / Q000209:etiology*