PT - JOURNAL ARTICLE AU - K E McColl TI - Helicobacter pylori, gastric acid, and duodenal gastric metaplasia. AID - 10.1136/gut.39.4.615 DP - 1996 Oct 01 TA - Gut PG - 615--616 VI - 39 IP - 4 4099 - http://gut.bmj.com/content/39/4/615.short 4100 - http://gut.bmj.com/content/39/4/615.full SO - Gut1996 Oct 01; 39