Dadan Rohdiana, Asep Gana Suganda, Komar Ruslan Wirasutisna, and Maria Immaculata Iwo. “Isolation of Xanthine Oxidase Inhibitor Compounds of Pekoe Fanning Black Tea and Their Activity on Interferon-­γ Production in Vivo”. International Journal of Research in Pharmaceutical Sciences, vol. 5, no. 4, Dec. 2014, pp. 240-3, https://ijrps.com/home/article/view/3829.