title: Sixteen-year follow-up of 100 patients begun on levodopa in 1968: emerging problems.
mesh_terms: D000368:Aged; D003704:Dementia / Q000401:mortality; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007980:Levodopa / Q000009:adverse effects / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy* / Q000401:mortality; D011187:Posture
chemical_list: D007980:Levodopa