Mental symptoms in parkinsonian patients treated with L-dopa.
D000368:Aged; D000547:Amantadine / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D004295:Dihydroxyphenylalanine / Q000627:therapeutic use; D006801:Humans; D008297:Male; D010300:Parkinson Disease / Q000188:drug therapy*
D004295:Dihydroxyphenylalanine; D000547:Amantadine