title: Arm levitation in progressive supranuclear palsy.
authors.forename: V W
authors.initials: VW
authors.lastname: Mark
mesh_terms: D001132:Arm / Q000503:physiopathology*; D006801:Humans; D009068:Movement / Q000502:physiology*; D013494:Supranuclear Palsy, Progressive / Q000503:physiopathology*