RT Journal Article SR Electronic T1 Metabolism of echinacoside, a good antioxidant, in rats: isolation and identification of its biliary metabolites JF Drug Metabolism and Disposition JO Drug Metab Dispos FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/dmd.108.023697 A1 Cunqin Jia A1 Haiming Shi A1 Wei Jin A1 Ke Zhang A1 Yong Jiang A1 Mingbo Zhao A1 Pengfei Tu YR 2008 UL http://dmd.aspetjournals.org/content/early/2008/11/20/dmd.108.023697.abstract AB