For citations:

Izyumov A.D., Sharashkina N.V., Fedin M.A., Eruslanova K.A. Functional activity in patients with chronic heart failure ≥65 years and its association with a one-year prognosis. Russian Journal of Geriatric Medicine. 2025;(2):273-275. (In Russ.) https://doi.org/10.37586/2686-8636-2-2025-273-275