Ali DEMİR, et al. “COMPARISION OF OMEPRAZOLE WITH FAMOTIDINE IN DUODENAL ULCUS TREATMENT”. Turkish Journal of Gastroenterology, vol. 4, no. 1, Apr. 2020, pp. 122-4, https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/320.