Chen, W., J. Liang, L. Huang, J. Cai, Y. Lei, J. Lai, L. Liang, and K. Zhang. “Characterizing the Activation of the Wnt Signaling Pathway in Hilar Cholangiocarcinoma Using a Tissue Microarray Approach”. European Journal of Histochemistry, vol. 60, no. 1, Feb. 2016, doi:10.4081/ejh.2016.2536.