Saputri, R.D. et al. 2024. Xanthine Oxidase Inhibitory Activity of Xanthones from Calophyllum pseudomole P. F. Stevens: http://www.doi.org/10.26538/tjnpr/v8i1.31. Tropical Journal of Natural Product Research (TJNPR). 8, 1 (Feb. 2024), 5932–5935.