Kucheriava, M. V., and G. B. Mankovskyi. “Laboratory Predictors of Mortality in Patients With Heart Failure and Reduced Left Ventricular Ejection Fraction”. Ukrainian Journal of Cardiovascular Surgery, Vol. 31, no. 4, Dec. 2023, pp. 57-62, doi:10.30702/ujcvs/23.31(04)/KM056-5762.