Zaher, Eli A., Daria M. Keller, Nanthushan Suntharampillai, Endrit Ujkani, and Maciej Lesiak. “Cardiovascular Risk Factors of Poor Prognosis in COVID-19 – a Review”. Journal of Medical Science 90, no. 4 (December 29, 2021): e571. Accessed April 9, 2025. https://jms.ump.edu.pl/index.php/JMS/article/view/571.