Levodopa.
D000367:Age Factors; D004295:Dihydroxyphenylalanine / Q000009:adverse effects*; D004335:Drug and Narcotic Control; D006801:Humans; D007360:Intelligence / Q000187:drug effects; D007361:Intelligence Tests; D001523:Mental Disorders / Q000139:chemically induced*; D010300:Parkinson Disease / Q000188:drug therapy; D011605:Psychoses, Substance-Induced / Q000209:etiology; D014481:United States; D014486:United States Food and Drug Administration
D004295:Dihydroxyphenylalanine