3Hagey L R, Crorabie D L, Espinosa E, et al. Ursode-oxycholic acid in the Ursidae : biliary bile acids ofbears,pandas,and related carnivores[ J]. Lipid Res,1993 , 34.-1911-1917.
4Weber L W, Boll M, Stampfl A. Hepatotoxicity andmechanism of action of haloalkanes : carbon tetrachlorideas a toxicological model[ J]. Crit Rev Toxicol,2003 ,33 :105-136.
