Charoen, Nattinee, Kitti Jantharapattana, and Paramee Thongsuksai. “Prognostic Significance of PD-L1 and mTOR Expression in Oral Squamous Cell Carcinoma”. Journal of Health Science and Medical Research 38, no. 4 (June 2, 2020): 255–266. accessed September 28, 2026. https://he01.tci-thaijo.org/index.php/jhsmr/article/view/242967.