We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAn inverse relation between cagA-positive strains of Helicobacter pylori infection and risk of esophageal and gastric cardia adenocarcinoma.AuthorsBoulton-Jones, J R; Logan, R PPublicationHelicobacter, 1999, Vol 4, Issue 4, p281ISSN1083-4389Publication typeJournal ArticleDOI10.1046/j.1523-5378.1999.99316.x