Ahmet UYANIKOĞLU, Ahmet Danalıoğlu, Filiz AKYÜZ, Fatih ERMİŞ, Mine GÜLLÜOĞLU, Yersu KAPRAN, Kadir DEMİR, et al. 2019. “Etiological Factors of Duodenal and Gastric Ulcers”. Turkish Journal of Gastroenterology 23 (2):99-103. https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/2606.