Phermthai, T. ., S. . Wichitwiengrat, S. . Tongbopit, and A. . Reaugpracha. “Human Amniotic Fluid Stem Cell In Vitro Inhibits Colon Cancer Cell Growth”. Thai Journal of Toxicology, vol. 28, no. 1, June 2020, p. 7, https://li01.tci-thaijo.org/index.php/ThaiJToxicol/article/view/244077.