For citations:
Kobalava Zh.D., Moiseeva A.Yu., Al Autairi A., Kotova E.O. Course and prognosis of heart failure in patients with frailty syndrome. Russian Journal of Cardiology. 2025;30(7):6299. (In Russ.) https://doi.org/10.15829/1560-4071-2025-6299. EDN: CSWOKD