Devarajan Saravanan, Dhakshanamurthy Thirumalai, and Indira Viswambaran Asharani. “Anti-HIV Flavonoids from Natural Products: A Systematic Review”. International Journal of Research in Pharmaceutical Sciences, vol. 6, no. 3, Sept. 2015, pp. 248-55, https://ijrps.com/home/article/view/4005.