For citations:

Ardashev A.V., Zhelyakov E.G., Kocharian A.A. Combined Approach for Management of the Chronic Heart Failure with Preserved Left Ventricular Ejection Fraction and Permanent Atrial Fibrillation: a Case Report. Kardiologiia. 2020;60(4):157-160. (In Russ.) https://doi.org/10.18087/cardio.2020.4.n1096