RT Journal Article SR Electronic T1 Gastric epithelial dysplasia. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 457 OP 457 DO 10.1136/gut.32.4.457-a VO 32 IS 4 A1 Farinati, F A1 Rugge, M A1 Valiante, F A1 Baffa, R A1 Di Mario, F A1 Naccarato, R YR 1991 UL http://gut.bmj.com/content/32/4/457.2.abstract AB