For citations:
Ilov N.N., Palnikova O.V., Stompel D.R., Nikolaeva E.V., Nechepurenko A.A. Risk stratification of sudden cardiac death in heart failure patients: is left ventricular ejection fraction alone sufficient? Russian Journal of Cardiology. 2021;26(1):3959. (In Russ.) https://doi.org/10.15829/1560-4071-2021-3959