title: Double blind study using amantadine hydrochloride in the therapy of Parkinson's disease.
mesh_terms: D000547:Amantadine / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D005069:Evaluation Studies as Topic; D006801:Humans; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*; D010919:Placebos
chemical_list: D010919:Placebos; D000547:Amantadine