For citations:
Ilov N.N., Stompel D.R., Boytsov S.A., Romantsov E.I., Nechepurenko A.A. Echocardiographic characteristics of patients with ischemic and non-ischemic chronic heart failure with reduced ejection fraction. Cardiovascular Therapy and Prevention. 2022;21(9):3314. (In Russ.) https://doi.org/10.15829/1728-8800-2022-3314