Feizi, I., and V. Norouzi. “Efficacy of Erythropoietin in Treatment of Anemia in Patients Hospitalized in the ICU of Ardabil City Hospital”. International Journal of Basic & Clinical Pharmacology, vol. 7, no. 9, Aug. 2018, pp. 1674-7, doi:10.18203/2319-2003.ijbcp20183473.