Gogayeva, O. “Comparison of the EuroSCORE I, EuroSCORE II and STS Scales in Cardiac Surgery of High-Risk Patients With Complicated Forms of CAD”. Ukrainian Journal of Cardiovascular Surgery, no. 3 (40), Sept. 2020, pp. 15-21, doi:10.30702/ujcvs/20.4009/037015-021/6.89.