SEARCH Articles Figures Tables 12-Keto-ursodeoxycholic acid 6/3-Hydroxylation ursodeoxycholic acid Cirrhosis ursodeoxycholic acid Ursodeoxycholate Ursodeoxycholic acid - Ursodiol Ursodeoxycholic acid Ciclosporin Ursodeoxycholic acid UDCA) Ursodeoxycholic acid gallstones Ursodeoxycholic acid humans Ursodeoxycholic acid interstitial pneumonia Ursodeoxycholic acid metabolism Ursodeoxycholic acid polarity Ursodeoxycholic acid primary biliary cirrhosis Ursodeoxycholic acid structure