Ali TÜREYEN, Ertuğrul KAYAÇETİN, Seniha NALDÖKEN, Mustafa BALCI, Aysel ÜLKER. The frequency of sacroileitis and ankylosing spondylitis in inflammatory bowel disease and HLA-B27 association. Turkish Journal of Gastroenterology [Internet]. 2019 Jul. 25 [cited 2025 Sep. 2];13(3):125-9. Available from: https://tjg.avesjournals.com/index.php/tjg/article/view/1795