Tsvyk, A. S., Dovgan, A. M., Varbanets, S. V., Payuk, V. V., & Pukas, A. Y. (2020). Valve-Sparing Operation in Patients with Aortic Root Aneurysm. Ukrainian Journal of Cardiovascular Surgery, (1 (38), 53-56. https://doi.org/10.30702/ujcvs/20.3803/016053-056