title: Levodopa and parkinsonism: clinical impressions.
mesh_terms: D001344:Autopsy; D004295:Dihydroxyphenylalanine / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009069:Movement Disorders / Q000139:chemically induced; D010300:Parkinson Disease / Q000188:drug therapy* / Q000473:pathology
chemical_list: D004295:Dihydroxyphenylalanine