RT Journal Article SR Electronic T1 Crohn's disease of the colon and its distinction from diverticulitis. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 7 OP 16 DO 10.1136/gut.9.1.7 VO 9 IS 1 A1 G T Schmidt A1 J E Lennard-Jones A1 B C Morson A1 A C Young YR 1968 UL http://gut.bmj.com/content/9/1/7.abstract AB