RT Journal Article SR Electronic T1 Rare cause of rectal stenosis in a patient with long-term use of Infliximab and Mercaptopurine for ulcerative colitis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 976 OP 995 DO 10.1136/gutjnl-2018-317069 VO 68 IS 6 A1 Nassim Hammoudi A1 Charlotte Gardair A1 My-Linh Tran-Minh A1 Matthieu Allez A1 Jean-Marc Gornet YR 2019 UL http://gut.bmj.com/content/68/6/976.abstract AB