RT Journal Article SR Electronic T1 Pathology of the esophagus JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 540 OP 540 DO 10.1136/gut.26.5.540 VO 26 IS 5 A1 Earlam, R YR 1985 UL http://gut.bmj.com/content/26/5/540.1.abstract AB