Wanigasekara Daya Ratnasooriya, Jayakody Ralalage Anusha Chandra Jayakody, Sellapulige Rexy Denzil Rosa and Chatura Dayendra Tissa Ratnasooriya 2014. In vitro sun screening activity of Sri Lankan orthodox black tea (Camellia Sinensis linn). World Journal of Pharmaceutical Sciences. 2, 2 (Feb. 2014), 144–148.