When should levodopa be started?
D000328:Adult; D004334:Drug Administration Schedule; D004409:Dyskinesia, Drug-Induced / Q000209:etiology; D006801:Humans; D007980:Levodopa / Q000008:administration & dosage* / Q000009:adverse effects; D010300:Parkinson Disease / Q000188:drug therapy
D007980:Levodopa