RT Journal Article SR Electronic T1 Microbes and metabolic health JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1655 OP 1656 DO 10.1136/gutjnl-2012-302507 VO 61 IS 12 A1 Fergus Shanahan YR 2012 UL http://gut.bmj.com/content/61/12/1655.abstract AB