DOĞAN, Ümit B., TUNÇER, C., DURSUN, A., & KANDİLCİ, U. (1997). A randeomized prospective trial aomparing results of different therapeutic regimens in the threatment of duodenal ulcer and Helicobacter pylori infection. Turkish Journal of Gastroenterology, 8(3), 342–345. Retrieved from https://www.turkjgastroenterol.org/index.php/tjg/article/view/814