Kartal, H., H. Sicim, U. Mungan, E. Demirdaş, G. Erol, A. Ocal, and M. Koç. “Assessment of Preoperative Risk Scoring Systems in Geriatric and Non-Geriatric Coronary Bypass Surgery Patients”. Journal of Surgery and Medicine, vol. 4, no. 6, June 2020, pp. 491-5, doi:10.28982/josam.744784.