Danilevych, T. D., and L. V. Rasputina. “Impact of Acute Complications on The Course and Outcome of Severe COVID-19: A Clinical Analysis and Determination of Mortality Predictors”. Ukrainian Journal of Cardiovascular Surgery, Vol. 33, no. 1, Mar. 2025, pp. 103-11, http://cvs.org.ua/index.php/ujcvs/article/view/715.