Tekin F, Turan İlker, Ersöz G, Özütemiz Ömer. Endoscopic biopsy techniques for proximal biliary strictures. Turkish Journal of Gastroenterology [Internet]. 2017 Jan. 3 [cited 2026 Jan. 1];28(3):225-. Available from: https://turkjgastroenterol.org/index.php/tjg/article/view/3034