RT Journal Article SR Electronic T1 Reduced efficacy of low FODMAPs diet in patients with IBS-D carrying sucrase-isomaltase (SI) hypomorphic variants JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 397 OP 398 DO 10.1136/gutjnl-2018-318036 VO 69 IS 2 A1 Tenghao Zheng A1 Shanti Eswaran A1 Amanda L Photenhauer A1 Juanita L Merchant A1 William D Chey A1 Mauro D’Amato YR 2020 UL http://gut.bmj.com/content/69/2/397.abstract AB