For citations:

Larina V.N., Lunev V.I. Left ventricular global function index companion and bendopnea as mortality predictors in patients with heart failure: an open-label comparative observational study. Russian Journal of Cardiology. 2025;30(6):6216. (In Russ.) https://doi.org/10.15829/1560-4071-2025-6216. EDN: CMEPSY