Netiazhenko, V. Z., S. E. Mostovyi, and O. M. Safonova. “The Impact of COVID-19 Upon Intracardiac Hemodynamics and Heart Rate Variability in Stable Coronary Artery Disease Patients”. Ukrainian Journal of Cardiovascular Surgery, Vol. 31, no. 1, Mar. 2023, pp. 19-28, doi:10.30702/ujcvs/23.31(01)/NM009-1928.