ÜNSAL B, AKSÖZ K, EKİNCİ N, YAZICIOĞLU N, KOŞAY S. Gastric metaplasia and helicobacter pylori prevalance in patients with duodenal ulcer. Turkish Journal of Gastroenterology [Internet]. 2020 Apr. 26 [cited 2025 Jul. 23];6(1):119-20. Available from: https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/455