RT Journal Article SR Electronic T1 Cognitive–behavioural therapy for IBS comes home: mapping a route for efficacy and efficiency in the digital age JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1541 OP 1542 DO 10.1136/gutjnl-2019-318583 VO 68 IS 9 A1 Jeffrey M Lackner A1 James Jaccard YR 2019 UL http://gut.bmj.com/content/68/9/1541.abstract AB