Yongram, C. et al. 2021. 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). 5, 2 (Feb. 2021), 299–303.