Amgen preserves erythropoietin monopoly for now.
K
K
Chahine
D004345:Drug Industry / Q000191:economics* / Q000331:legislation & jurisprudence*; D004921:Erythropoietin / Q000191:economics*; D006801:Humans; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D013997:Time Factors; D014481:United States
D004921:Erythropoietin