Rudenko, S. A., A. V. Rudenko, E. N. Trembovetskaya, E. K. Gogaeva, and V. V. Lazoryshynetz. “Intraoperative Characteristic of Patients With Ischemic Mitral Insufficiency”. Ukrainian Journal of Cardiovascular Surgery, no. 4 (33), Nov. 2018, pp. 30-32, doi:10.30702/ujcvs/18.33/07(030-032).