RT Journal Article SR Electronic T1 Markers of colonic cell differentiation. Progress in cancer research and therapy, vol. 29 JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 646 OP 646 DO 10.1136/gut.26.6.646 VO 26 IS 6 A1 R P H Thompson YR 1985 UL http://gut.bmj.com/content/26/6/646.1.abstract AB