Levodopa and relief of Parkinsonian symptoms.
D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D005069:Evaluation Studies as Topic; D006801:Humans; D010300:Parkinson Disease / Q000188:drug therapy*
D004295:Dihydroxyphenylalanine