Combined treatment of parkinsonism with L-dopa and amantadine.
D000547:Amantadine / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage*; D006801:Humans; D010300:Parkinson Disease / Q000188:drug therapy*; D010919:Placebos
D010919:Placebos; D004295:Dihydroxyphenylalanine; D000547:Amantadine