DOĞAN, Ümit B. (2019) “Changes in the degree of gastritis during the treatment of duodenal ulcer”, Turkish Journal of Gastroenterology, 10(2), pp. 118–121. Available at: https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/830 (Accessed: 26 July 2025).