For citations:
Muhacheva A.V., Perekrest V.V., Movsesyants A.A., Sarkisyan K.A., Butyrskiy A.U., Fadeikina O.V., Volkova R.A., Shvedov D.V., Shevtsov V.A. The Results of Re-certification of Reference Standard Sample Used for the Examination of Quality Smallpox Vaccines. Epidemiology and Vaccinal Prevention. 2016;15(6):70-79. (In Russ.) https://doi.org/10.31631/2073-3046-2016-15-6-70-79