For citations:

Adamyan K.G., Tunyan L.G., Chilingaryan A.L., Tumasyan L.R. Prevalence and echocardiographic predictors of atrial fibrillation in patients with heart failure with preserved ejection fraction. Cardiovascular Therapy and Prevention. 2016;15(1):20-25. (In Russ.) https://doi.org/10.15829/1728-8800-2016-1-20-25