[Parkinsonism].
D004295:Dihydroxyphenylalanine / Q000627:therapeutic use; D006801:Humans; D010276:Parasympatholytics / Q000627:therapeutic use; D010300:Parkinson Disease / Q000188:drug therapy*
D010276:Parasympatholytics; D004295:Dihydroxyphenylalanine