title: New drugs--No. 4. Levodopa.
mesh_terms: D004295:Dihydroxyphenylalanine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D010300:Parkinson Disease / Q000188:drug therapy
chemical_list: D004295:Dihydroxyphenylalanine