For citations:
Vashtanian A.K., Uskach T.M., Amanatova V.A., Drozdov D.V., Sakhnova T.A., Blinova E.V. Prognostic indicators of vector electrocardiography in patients with chronic heart failure with reduced left ventricular ejection fraction. Medical alphabet. 2024;(15):15-22. (In Russ.) https://doi.org/10.33667/2078-5631-2024-15-15-22