Long-term treatment of Parkinson's disease with levodopa.
D004295:Dihydroxyphenylalanine / Q000009:adverse effects / Q000378:metabolism / Q000627:therapeutic use*; D006801:Humans; D010300:Parkinson Disease / Q000188:drug therapy*; D010648:Phenylacetates / Q000652:urine; D013997:Time Factors
D010648:Phenylacetates; D004295:Dihydroxyphenylalanine