title: High-level levodopa therapy in Parkinson's disease: five years later.
mesh_terms: D005500:Follow-Up Studies; D006801:Humans; D007980:Levodopa / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D007980:Levodopa