Pothipan, P., S. Bunthot, S. Wongkham, and K. Vaeteewoottacharn. “Role of CD47 on Progression of Cholangiocarcinoma”. Srinagarind Medical Journal, vol. 31, no. 5, Oct. 2016, p. 65, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/68231.