title: Biotechnology patents. Amgen scores a knockout.
authors.forename: D
authors.initials: D
authors.lastname: Gershon
mesh_terms: D004921:Erythropoietin; D016179:Granulocyte Colony-Stimulating Factor; D006801:Humans; D010330:Patents as Topic; D011994:Recombinant Proteins
chemical_list: D011994:Recombinant Proteins; D004921:Erythropoietin; D016179:Granulocyte Colony-Stimulating Factor