For citations:
Yakovlev A.K., Gayderova L.A., Alpatova N.A., Lobanova T.N., Batuashvili T.A., Simutenko L.V., Postnova E.L., Yurchikova E.I. The stages in standardizing erythropoietin preparations. BIOpreparations. Prevention, Diagnosis, Treatment. 2015;(4):17-20. (In Russ.)