Parkinson's disease and long-term levodopa therapy.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004185:Disability Evaluation; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007980:Levodopa / Q000009:adverse effects / Q000627:therapeutic use*; D008134:Long-Term Care; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*
D007980:Levodopa