RT Journal Article SR Electronic T1 Antibodies to GP2, the major zymogen granule membrane glycoprotein, in inflammatory bowel diseases JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 162 OP 164 DO 10.1136/gut.2010.233148 VO 61 IS 1 A1 Katrijn Op De Beéck A1 Séverine Vermeire A1 Paul Rutgeerts A1 Xavier Bossuyt YR 2012 UL http://gut.bmj.com/content/61/1/162.3.abstract AB