Off-pump myocardial revascularization safety aspects in combined operations on patients with ischemic heart disease complicated by ischemic mitral regurgitation - A. S. Zavologhin; A. N. Shonbin; D. O. Bystrov; M. E. Elizarov; G. A. Ivanov (Патология кровообращения и кардиохирургия, 2017)