Gumeniuk, B. M. “Correction of Postoperative Anemia in Patients Undergoing Mitral Valve Replacement through Blood Saving Technology”. Ukrainian Journal of Cardiovascular Surgery, no. 3 (40) (September 18, 2020): 55-60. Accessed June 17, 2025. https://www.cvs.org.ua/index.php/ujcvs/article/view/367.