For citations:
Pylaeva E.Yu., Orlov D.V., Marudenkov N.A., Koltsova E.A., Tataryan M.G., Litsev A.A., Zvereva N.N., Spivak I.M., Shamsheva O.V., Sayfullin M.A. Using of protective masks after the cancelling of the COVID-19 pandemic restrictions: Prospective cohort research. CHILDREN INFECTIONS. 2023;22(3):27-32. (In Russ.) https://doi.org/10.22627/2072-8107-2023-22-3-27-32
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