title: Treatment of Parkinson's Disease with levodopa and amantadine used as single drugs and in combined therapy.
mesh_terms: D000328:Adult; D000368:Aged; D000547:Amantadine / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004338:Drug Combinations; D005260:Female; D006801:Humans; D007980:Levodopa / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*; D010919:Placebos
chemical_list: D004338:Drug Combinations; D010919:Placebos; D007980:Levodopa; D000547:Amantadine