Bidzilya, P.P. and Kadzharian, V.H. 2023. Laboratory changes and prognostic indicators of the adverse course of chronic heart failure with preserved left ventricular ejection fraction, excess weight and concomitant atrial fibrillation. Pathologia. 19, 3 (Jan. 2023), 201–206. DOI:https://doi.org/10.14739/2310-1237.2022.3.268186.