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 Hammoudi, Nassim A1 Gardair, Charlotte A1 Tran-Minh, My-Linh A1 Allez, Matthieu A1 Gornet, Jean-Marc YR 2019 UL http://gut.bmj.com/content/68/6/976.abstract AB