We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHelicobacter pylori virulence and genetic geography.AuthorsCovacci, Antonello; Telford, John L.; Del Giudice, GiuseppePublicationScience, 1999, Vol 284, Issue 5418, p1328ISSN0036-8075Publication typearticleDOI10.1126/science.284.5418.1328