title: Juvenile Parkinsonism treated with levodopa.
mesh_terms: D000367:Age Factors; D002648:Child; D004295:Dihydroxyphenylalanine / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D004295:Dihydroxyphenylalanine