Nicolini, Francesco, et al. “Surgical Treatment for Functional Ischemic Mitral Regurgitation: Current Options and Future Trends”.
Acta Biomedica Atenei Parmensis, vol. 86, no. 1, Apr. 2015, pp. 17-26,
https://mattioli1885journals.com/index.php/actabiomedica/article/view/3530.