Akca, B. “Is Preoperative Anemia a Risk Factor of New-Onset Atrial Fibrillation in Patients Underwent Isolated Coronary Artery Bypass Surgery?”. Annals of Medical Research, vol. 26, no. 10, May 2021, pp. 2432-6, http://www.annalsmedres.org/index.php/aomr/article/view/1765.