N. Gumeniuk , Bogdan. “Preoperative Correction of Anemia of Chronic Diseases and Application of Bloodless Technology in Mitral and Aortic Valve Replacement”. Ukrainian Journal of Cardiovascular Surgery, no. 1 (42) ( ): 47-52. Accessed March 29, 2024. https://cvs.org.ua/index.php/ujcvs/article/view/402.