title: [Letter: Paralysis agitans].
mesh_terms: D004660:Encephalitis / Q000150:complications; D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy / Q000209:etiology*; D014438:Typhus, Epidemic Louse-Borne / Q000150:complications*
vernacular_title: Paralysis agitans