“Evaluation the Effects of Alpha-Tocopherol in Comparison With N-Acetylcystein for Prevention of Contrast Induced Nephropathy (CIN) in CKD Patients”. Iranian Journal of Kidney Diseases, vol. 14, no. 1, Jan. 2020, pp. 26-30, https://www.ijkd.org/index.php/ijkd/article/view/4610.