AKBAYIR, Nihat, Canan ALKIM, Levent ERDEM, Damlanur SAKIZ, and H. Mehmet SÖKMEN. 2002. “A Case Report of Doxycycline Induced Esophageal and Gasric Ulcer”. Turkish Journal of Gastroenterology 13 (4):232-35. https://www.turkjgastroenterol.org/index.php/tjg/article/view/1226.