Ilis, D., C. Burak, and A. Karakurt. “Evaluation of Long-Term Mortality in Patients With Stable Angina Pectoris Whose SYNTAX Score Was Found to Be Zero in Coronary Angiography”. Annals of Medical Research, vol. 28, no. 2, May 2021, pp. 0369-75, http://www.annalsmedres.org/index.php/aomr/article/view/379.