For citations:
Karpova L.S., Stolyarov K.A., Popovtseva N.M., Stolyarova T.P., Danilenko D.M. Comparison of the First Three Waves of the COVID-19 Pandemic in Russia in 2020–21. Epidemiology and Vaccinal Prevention. 2022;21(2):4-16. (In Russ.) https://doi.org/10.31631/2073-3046-2022-21-2-4-16
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