Ümit Bilge DOĞAN, Candan TUNÇER, Ayşe DURSUN, Uğur KANDİLCİ. Association of duodenal bulb Helicobacter pylori with duodenal ulcer and its relapses. Turkish Journal of Gastroenterology [Internet]. 2019 Jul. 25 [cited 2025 Jul. 16];8(3):313-7. Available from: https://tjg.avesjournals.com/index.php/tjg/article/view/1299