RT Journal Article SR Electronic T1 High on drugs: lessons from opiates in pancreatitis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP gutjnl-2017-314506 DO 10.1136/gutjnl-2017-314506 A1 Vijay P Singh YR 2017 UL http://gut.bmj.com/content/early/2017/08/01/gutjnl-2017-314506.abstract AB