Nguyen, L.K. et al. 2023. Phytochemical Screening, Antioxidant and Xanthine Oxidase Inhibitory Activities of <i>Vitis heyneana</i> Schult. Stem Extracts From Vietnam: http://www.doi.org/10.26538/tjnpr/v7i9.20. Tropical Journal of Natural Product Research (TJNPR). 7, 9 (Oct. 2023), 3981–3988.