title: Levodopa treatment of Parkinson's syndrome. Improved intellectual functioning.
mesh_terms: D000328:Adult; D000368:Aged; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007360:Intelligence / Q000187:drug effects*; D007361:Intelligence Tests; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D004295:Dihydroxyphenylalanine