Chueajedton, K., A. Sonsuwan, N. Thongjui, W. Thepsupa, P. Sa-Ngiamwibool, K. Sawanyawisuth, A. Silsirivanit, S. Kumphune, and S. Phimsen. “Secretory Leukocyte Protease Inhibitor (SLPI) as a Diagnostic Biomarker and Facilitator of Cell Proliferation in Cholangiocarcinoma”. Journal of Basic and Applied Pharmacology, vol. 5, no. 2, Sept. 2025, pp. O73-82, https://li01.tci-thaijo.org/index.php/JBAP/article/view/268657.