RT Journal Article SR Electronic T1 Authors' response JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1439 OP 1440 DO 10.1136/gut.2010.234336 VO 60 IS 10 A1 Clara Thienpont A1 Séverine Vermeire A1 Paul Rutgeerts A1 Gert Van Assche YR 2011 UL http://gut.bmj.com/content/60/10/1439.2.abstract AB