For citations:
Batalova D.N., Ryabov V.V., Petlin K.A. A clinical case of transapical aortic valve implantation for low-gradient stenosis in a comorbid patient with COVID-19-associated pneumonia. Siberian Journal of Clinical and Experimental Medicine. 2022;37(1):149-154. (In Russ.) https://doi.org/10.29001/2073-8552-2022-37-1-149-154