title: Amantadine hydrochloride in the treatment of parkinsonism: a placebo-controlled double-blind study.
mesh_terms: D000368:Aged; D000547:Amantadine / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D005260:Female; D005684:Gait; D006801:Humans; D007568:Jaw; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*; D010919:Placebos; D012472:Salivation; D014202:Tremor; D014831:Voice
chemical_list: D010919:Placebos; D000547:Amantadine