title: Combined L-dopa and amantadine in Parkinsonism.
mesh_terms: D000368:Aged; D000547:Amantadine / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D004357:Drug Synergism; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*; D010919:Placebos
chemical_list: D010919:Placebos; D004295:Dihydroxyphenylalanine; D000547:Amantadine