Haboubi, N Y Duodenal gastric heterotopia and Campylobacter pylori: an exception to the rule? [electronic resource] - Journal of clinical pathology Oct 1989 - 1111-2 p. digital Publication Type: Letter ISSN: 0021-9746 Standard No.: 10.1136/jcp.42.10.1111-b doi Subjects--Topical Terms: Campylobacter--isolation & purificationDuodenal Ulcer--microbiologyGastric Mucosa--microbiologyHumansMetaplasia