RT Journal Article SR Electronic T1 Blood group B is associated with azathioprine-induced acute pancreatitis in patients with IBD JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1531 OP 1532 DO 10.1136/gutjnl-2016-313138 VO 66 IS 8 A1 Teich, Niels A1 Bokemeyer, Bernd A1 Mohl, Wolfgang A1 Walldorf, Jens A1 Bruns, Tony A1 Schmidt, Carsten A1 Stallmach, Andreas A1 YR 2017 UL http://gut.bmj.com/content/66/8/1531.abstract AB