Evaluation of the cancer chemopreventive effiacy of silibinin in genetic mouse models of prostate and intestinal carcinogenesis: relationship with silibinin levels VerschoyleRichard D. GreavesPeter PatelKetan MarsdenDebbie A. BrownKaren StewardWilliam P. GescherAndreas J. 2008 Evaluation of the cancer chemopreventive effiacy of silibinin in genetic mouse models of prostate and intestinal carcinogenesis: relationship with silibinin levels