For citations:
Samoylov K.V., Bukreeva E.B., Boyarko V.V., Gereng E.A. Features of COVID-19 in patients with chronic obstructive pulmonary disease, bronchial asthma, and cardiovascular comorbidity. Siberian Journal of Clinical and Experimental Medicine. 2022;37(4):63-69. (In Russ.) https://doi.org/10.29001/2073-8552-2022-37-4-63-69