M. Sait Dağ, Z. Abidin Öztürk, İrem Akın, E. Tutar, Öztekin Çıkman, and M. T. Gülşen, “Drug-induced esophageal ulcers: Case series and the review of the literature”, Turkish Journal of Gastroenterology, vol. 25, no. 2, pp. 180–184, Jan. 2014.