Dopa and parkinsonism.
D004295:Dihydroxyphenylalanine / Q000627:therapeutic use*; D006801:Humans; D010300:Parkinson Disease / Q000188:drug therapy*; D010649:Phenylalanine / Q000627:therapeutic use
D010649:Phenylalanine; D004295:Dihydroxyphenylalanine