BAYRAKTAR, Yusuf, et al. “Is Portal Hypertension Due to Liver Cirrhosis a Major Factor in the Development of Portal Hypertensive Gastropathy?”. Turkish Journal of Gastroenterology, vol. 5, no. 3, Jan. 1994, pp. 491-8, https://www.turkjgastroenterol.org/index.php/tjg/article/view/475.