RT Journal Article SR Electronic T1 Degradation of bile salts by human intestinal bacteria. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 22 OP 27 DO 10.1136/gut.9.1.22 VO 9 IS 1 A1 M J Hill A1 B S Drasar YR 1968 UL http://gut.bmj.com/content/9/1/22.abstract AB