Amantadine versus L-2 dopa and amatadine plus L-dopa.
D000547:Amantadine / Q000008:administration & dosage / Q000627:therapeutic use*; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D010300:Parkinson Disease / Q000188:drug therapy*
D004295:Dihydroxyphenylalanine; D000547:Amantadine