Levodopa.
D000368:Aged; D001923:Brain Chemistry; D004298:Dopamine / Q000008:administration & dosage / Q000009:adverse effects / Q000378:metabolism / Q000494:pharmacology / Q000627:therapeutic use*; D006801:Humans; D008134:Long-Term Care; D001523:Mental Disorders / Q000139:chemically induced; D010300:Parkinson Disease / Q000188:drug therapy*
D004298:Dopamine