Surattanasophon, Suwannee, Apinya Chareonsul, Ranista Suchato, and Yongyut Sirivatanauksorn. 2003. “Accuracy of Conventional CT in Predicting Resectability of Cholangiocarcinoma: A Retrospective Review”. Siriraj Medical Journal 55 (8):527-33. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245445.