J.M Dahanayake, P.K.Perera, P. Galappatty, P.Fernando, L.D.A.M. Arawwawala. Tinospora cordifolia (Thunb) Miers (rasakinda) grown in Sri Lanka: pharmacognostical, physicochemical and phytochemical analysis of the stem.Sri Lanka Association for the Advancement of Science.74th Annual Sessions, 5th December 2018