Taurochenodeoxycholic AcidTaurodeoxycholic AcidCholic AcidCholic AcidsChenodeoxycholic AcidGlycocholic AcidLithocholic AcidBile Acids and SaltsTaurocholic AcidCytochrome P-450 Enzyme SystemMicrosomes, LiverHydroxylationDeoxycholic AcidBileCholestanolsMixed Function OxygenasesSteroid 12-alpha-HydroxylaseFatsDietary FatsEnterohepatic CirculationCholestanesEubacteriumXanthomatosisUrsodeoxycholic Acid