V Öter, İlter Özer, TD, CB, MU, EBB. Results of positive proximal margin after resection for hilar cholangiocarcinoma: An analysis of 42 cases. T. J. Gastroenterology [Internet]. 2019 Jul. 25 [cited 2025 May 5];30(1):15-8. Available from: https://ojs.avesjournals.com/index.php/tjg1/article/view/515