Sianipar, Rut Novalia Rahmawati, et al. “Antigout Activity of The Spatholobus Littoralis Hassk. Extract Fractions Against Xanthine Oxidase: Its Metabolite Profile and Inhibition Kinetics”. HAYATI Journal of Biosciences, vol. 31, no. 1, Sept. 2023, pp. 1-20, https://doi.org/10.4308/hjb.31.1.1-20.