title: Parkinsonism and levodopa.
mesh_terms: D001921:Brain / Q000201:enzymology; D004295:Dihydroxyphenylalanine / Q000627:therapeutic use*; D004298:Dopamine / Q000378:metabolism; D006801:Humans; D046911:Macromolecular Substances; D008715:Methionine / Q000378:metabolism; D008745:Methylation; D010300:Parkinson Disease / Q000188:drug therapy*; D014176:Protein Biosynthesis; D013997:Time Factors
chemical_list: D046911:Macromolecular Substances; D004295:Dihydroxyphenylalanine; D008715:Methionine; D004298:Dopamine