RT Journal Article SR Electronic T1 Gastric metaplasia and Helicobacter pylori infection. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 445 OP 446 DO 10.1136/gut.37.3.445-e VO 37 IS 3 A1 Savarino, V A1 Mela, G S A1 Celle, G A1 Vigneri, S YR 1995 UL http://gut.bmj.com/content/37/3/445.6.abstract AB