title: L-dopa for Parkinson's disease; some limitations in its use.
mesh_terms: D004295:Dihydroxyphenylalanine / Q000009:adverse effects / Q000627:therapeutic use*; D004361:Drug Tolerance; D006257:Head; D006801:Humans; D009068:Movement; D010300:Parkinson Disease / Q000188:drug therapy* / Q000503:physiopathology; D014102:Torsion Abnormality
chemical_list: D004295:Dihydroxyphenylalanine