title: Amgen protects its billion dollar protein.
authors.forename: K
authors.initials: K
authors.lastname: Chahine
mesh_terms: D001709:Biotechnology; D004345:Drug Industry / Q000191:economics* / Q000331:legislation & jurisprudence; D004921:Erythropoietin / Q000096:biosynthesis*; D005786:Gene Expression Regulation; D006801:Humans; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D011994:Recombinant Proteins / Q000096:biosynthesis*; D014481:United States
chemical_list: D011994:Recombinant Proteins; D004921:Erythropoietin