title: Letter: Amantadine in chorea.
mesh_terms: D000368:Aged; D000547:Amantadine / Q000627:therapeutic use* / Q000652:urine; D002819:Chorea / Q000188:drug therapy* / Q000652:urine; D004341:Drug Evaluation; D006719:Homovanillic Acid / Q000652:urine; D006801:Humans; D006816:Huntington Disease / Q000188:drug therapy; D006897:Hydroxyindoleacetic Acid / Q000652:urine
chemical_list: D006897:Hydroxyindoleacetic Acid; D000547:Amantadine; D006719:Homovanillic Acid