title: Prolonged levodopa therapy.
mesh_terms: D000172:Acromegaly / Q000139:chemically induced; D003920:Diabetes Mellitus / Q000139:chemically induced; D004295:Dihydroxyphenylalanine / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D010300:Parkinson Disease / Q000188:drug therapy; D013997:Time Factors
chemical_list: D004295:Dihydroxyphenylalanine