Muhammed Sait Dağ, et al. “Drug-Induced Esophageal Ulcers: Case Series and the Review of the Literature”. Turkish Journal of Gastroenterology, vol. 25, no. 2, July 2019, pp. 180-4, https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/2932.