Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitlePossible absence of Helicobacter pylori in the early stages of duodenal ulceration.AuthorsBoulos, P.B.; Botha, A.; Hobsley, M.; Holton, J.; Oshowo, A.O.; Tovey, F.I.AbstractBackground: Helicobacter pylori is thought to be a cause of duodenal ulceration, but there is some evidence that it is found less often in early than in later disease.PublicationQJM: An International Journal of Medicine, 2002, Vol 95, Issue 11, p749ISSN1460-2725Publication typeArticleDOI10.1093/qjmed/95.11.749