Hülya ÇETİNKAYA, İrfan SOYKAN, Ali Reşit Beyler, Necati ÖRMECİ, Ali GÖREN, Nihat SİPAHİ, Erol KESİM, et al. 2020. “The Factors That Causes Upper Gastrointestinal Hemorrhage”. Turkish Journal of Gastroenterology 6 (2):251-52. https://tjg.avesjournals.com/index.php/tjg/article/view/954.