Yongram, Chawalit, et al. “Inhibitory Effect of Leaf, Bark and Twig of Dipterocarpus Alatus on the Inflammation Mediators, Nitric Oxide, PGE2, IL-1β and TNF-α in Macrophage RAW 264.7: doi.org 10.26538 Tjnpr V5i2.14”. Tropical Journal of Natural Product Research (TJNPR), vol. 5, no. 2, Feb. 2021, pp. 299-03, https://tjnpr.org/index.php/home/article/view/766.