Ucak, H., and H. Uncu. “Impact of Coronary Collateral Circulation of Perioperative Myocardial Damage in High-Risk Patients Undergoing Coronary Artery Bypass Grafting Surgery”. The Heart Surgery Forum, Vol. 22, no. 5, Sept. 2019, pp. E375-E379, doi:10.1532/hsf.2483.