Alper, Emrah, and Mahmut Arabul. “Serum Myeloperoxidase, CPK, CK-MB, and CTnI Levels in Early Diagnosis of Myocardial Ischemia During ERCP; Once or Repeated Once?”. Turkish Journal of Gastroenterology 25, no. 4 (January 4, 2014): 452–453. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/2523.