For citations:

Larina V.N., Lunev V.I. The prognostic role of the index of global left ventricular function and its companion in patients with chronic heart failure and diabetes mellitus. FOCUS. Endocrinology. 2024;5(2):6-11. (In Russ.) https://doi.org/10.62751/2713-0177-2024-5-2-11