We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleABC of the upper gastrointestinal tract: Epidemiology and diagnosis of Helicobacter pylori infection.AuthorsP, Logan R; M, Walker MPublicationBMJ (British Medical Journal), 2001, Vol 323, Issue 7318, p920ISSN0959-8138Publication typearticle