Kaewradee, Jeerapong. “A Comparison Study of Computed Tomographic Characteristics of Portal Vein Involvement of Mass-Forming Intrahepatic Cholangiocarcinoma and Hepatocellular Carcinoma in Udonthani Hospital”. Srinagarind Medical Journal 28, no. 4 (December 25, 2013): 497–505. Accessed September 28, 2022. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/15349.