Within the Cambridge English Corpus They both equally improved the Procedure with the technique (by supervising water delivery more intensively and applying new approaches) and improved canal Nonabsorbed ursodiol passes in to the colon the place it is usually 7-dehydroxylated to lithocholic acid. Some ursodiol is epimerized to chenodiol https://www.youtube.com/watch?v=A07qHOeWON8