RT Journal Article SR Electronic T1 Sucrase-isomaltase 15Phe IBS risk variant in relation to dietary carbohydrates and faecal microbiota composition JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 177 OP 178 DO 10.1136/gutjnl-2017-315841 VO 68 IS 1 A1 Louise Thingholm A1 Malte Rühlemann A1 Jun Wang A1 Matthias Hübenthal A1 Wolfgang Lieb A1 Matthias Laudes A1 Andre Franke A1 Mauro D’Amato YR 2019 UL http://gut.bmj.com/content/68/1/177.abstract AB