ÇETİNKAYA, Hülya, İrfan SOYKAN, Ali Reşit Beyler, Necati ÖRMECİ, Ali GÖREN, Nihat SİPAHİ, Erol KESİM, et al. “The Factors That Causes Upper Gastrointestinal Hemorrhage”. Turkish Journal of Gastroenterology 6, no. 2 (January 2, 1995): 251–252. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/619.