Kandil, F.E., A.M. Soliman, T.J. Mabry, and S.R. Skodack. 2010. “A New Anticancer Tannin and Known Tannins from Terminalia cattapa&Dagger”;. Asian Journal of Chemistry 11 (3):1001-4. https://asianpubs.org/index.php/ajchem/article/view/23412.