Saponins-Mediated Potentiation of Cisplatin Accumulation and Cytotoxicity in Human Colon Cancer Cells - Gaidi, Ghezala; Correia, Maria; Chauffert, Bruno; Beltramo, Jean-Luc; Wagner, Hildebert; Lacaille-Dubois, Marie-Aleth (Planta Medica, 2002)