KAYA, Muhsin, and Selim KARAYALÇIN. “6 Months of Omeprazole Treatment in Duodenal Ulcer Disease”. Turkish Journal of Gastroenterology 6, no. 3 (January 3, 1995): 380–386. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/653.