Pornphiphat, S., S. . Janthamala, A. Siriprayong, K. . Duenngai, M. . Wongwattanakul, M. . Thanee, P. . Pinlaor, and A. . Techasen. “Vanillic Acid Suppresses Proliferation and Induces Apoptosis of Gastrointestinal Cancer Cells via Inhibition of MTOR Expression”. Science Essence Journal, vol. 41, no. 1, Mar. 2025, pp. 39-50, https://ejournals.swu.ac.th/index.php/sej/article/view/16599.