For citations:
Chugunov I.A., Davtyan K.V., Topchyan A.H., Mironova N.A., Gupalo E.M. Cardiac contractility modulation therapy in elderly patients with chronic heart failure: results of the 12-month follow-up. Journal of Arrhythmology. 2021;28(2):5-10. (In Russ.) https://doi.org/10.35336/VA-2021-2-5-10