Antiproliferative effect of silybin on gynaecological malignancies: Synergism with cisplatin and doxorubicin - Scambia, G; De Vincenzo, R; Ranelletti, F O; Panici, P B; Ferrandina, G; D'Agostino, G; Fattorossi, A; Bombardelli, E; Mancuso, S (Eur J Cancer, 1996)