Rudenko, S. A. 2020. “The Effect of Concomitant Tricuspid Valve Regurgitation on the Condition of Patients With Ischemic Mitral Insufficiency”. Ukrainian Journal of Cardiovascular Surgery, no. 4 (41) (December), 26-29. https://doi.org/10.30702/ujcvs/20.4112/063026-029/036.