Angthong, W. ., T. Thana-arak, and W. . Piyawong. “Preoperative Computed Tomography of Intrahepatic Mass-Forming Cholangiocarcinomas: Morphologic Features and Enhancement Patterns Correlation With Clinicopathologic Factors and Clinical Outcomes”. Asian Medical Journal and Alternative Medicine, vol. 21, no. 2, Aug. 2021, pp. 124-33, https://asianmedjam.com/index.php/amjam/article/view/270.