Chemoprotective effect of caffeic acid phenethyl ester on promotion in a medium-term rat hepatocarcinogenesis assay - Carrasco-Legleu,C.E.; Marquez-Rosado,L.; Fattel-Fazenda,S.; Arce-Popoca,E.; Perez-Carreon,J.I.; Villa-Trevino,S. (Int J Cancer, 2004)