Hydrolyzable tannins, the active constituents of three Greek Cytinus taxa against several tumor cell lines. - Prokopios Magiatis; Pratsinis, Harris; Kalpoutzakis, Eleftherios; Konstantinidou, Anastasia; Davaris, Panagiotis; Skaltsounis, Alexios-Leandros (Biological and Pharmaceutical Bulletin, 2001)