We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRelation between Helicobacter pylori cagA status and risk of peptic ulcer disease.AuthorsNomura AM; Pérez-Pérez GI; Lee J; Stemmermann G; Blaser MJPublicationAmerican journal of epidemiology, 2002, Vol 155, Issue 11, p1054ISSN0002-9262Publication typearticleDOI10.1093/aje/155.11.1054