Netiazhenko, V.Z., Mostovyi, S.E. and Safonova, O.M. 2023. The Impact of COVID-19 upon Intracardiac Hemodynamics and Heart Rate Variability in Stable Coronary Artery Disease Patients. Ukrainian Journal of Cardiovascular Surgery. 31, 1 (Mar. 2023), 19-28. DOI:https://doi.org/10.30702/ujcvs/23.31(01)/NM009-1928.