title: Serum-monoamine-oxidase levels during levodopa therapy.
mesh_terms: D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000009:adverse effects*; D004790:Enzyme Induction; D006801:Humans; D008875:Middle Aged; D008995:Monoamine Oxidase / Q000097:blood*; D010300:Parkinson Disease / Q000097:blood / Q000188:drug therapy
chemical_list: D004295:Dihydroxyphenylalanine; D008995:Monoamine Oxidase