[On and off phenomenon].
D004334:Drug Administration Schedule; D004409:Dyskinesia, Drug-Induced / Q000209:etiology*; D006801:Humans; D007980:Levodopa / Q000009:adverse effects* / Q000627:therapeutic use; D008875:Middle Aged; D010300:Parkinson Disease / Q000150:complications / Q000188:drug therapy
D007980:Levodopa