title: 'On-off' phenomenon: description, incidence and management.
mesh_terms: D001971:Bromocriptine / Q000627:therapeutic use; D004305:Dose-Response Relationship, Drug; D006801:Humans; D007980:Levodopa / Q000097:blood / Q000493:pharmacokinetics / Q000627:therapeutic use*; D008996:Monoamine Oxidase Inhibitors / Q000627:therapeutic use; D009069:Movement Disorders / Q000188:drug therapy / Q000209:etiology; D010300:Parkinson Disease / Q000150:complications / Q000188:drug therapy* / Q000503:physiopathology; D012642:Selegiline / Q000627:therapeutic use
chemical_list: D008996:Monoamine Oxidase Inhibitors; D012642:Selegiline; D001971:Bromocriptine; D007980:Levodopa