Tsvyk, A. S., A. M. Dovgan, S. V. Varbanets, V. V. Payuk, and A. Y. Pukas. “Valve-Sparing Operation in Patients With Aortic Root Aneurysm”. Ukrainian Journal of Cardiovascular Surgery, no. 1 (38) (February 24, 2020): 53-56. Accessed March 28, 2024. http://cvs.org.ua/index.php/ujcvs/article/view/336.