For citations:
Ovsyannikov E.S., Аvdeev S.N., Budnevskiy A.V., Drobysheva E.S., Savushkina I.A. Bronchial Asthma and COVID-19: Comorbidity Issues. Tuberculosis and Lung Diseases. 2021;99(9):6-14. (In Russ.) https://doi.org/10.21292/2075-1230-2021-99-9-6-14