title: Enhanced response to low doses of levodopa after withdrawal from chronic treatment.
mesh_terms: D000328:Adult; D000368:Aged; D002845:Chromatography; D004295:Dihydroxyphenylalanine / Q000008:administration & dosage* / Q000097:blood; D004305:Dose-Response Relationship, Drug; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D004295:Dihydroxyphenylalanine