Tuncay, Aydin, Muhammat Bozguney, Rifat Ozmen, Ali Ihsan Tekin, and Deniz Elcik. “Effect of Preoperative Vitamin D Levels on the Development of Atrial Fibrillation After Cardiac Bypass Surgery”. Annals of Medical Research 27, no. 9 (May 25, 2021): 2447–2452. Accessed December 22, 2024. http://annalsmedres.org/index.php/aomr/article/view/927.