ERGİN, Ali, et al. “Comparing of the Efficacy of Antacid and Combination of Antacid and H2RA on Active Nonvariceal Upper Gastrointestinal Bleeding”. Turkish Journal of Gastroenterology, vol. 6, no. 2, Jan. 1995, pp. 260-1, https://www.turkjgastroenterol.org/index.php/tjg/article/view/622.