1. Campylobacter pylori and peptic ulcer disease;Graham, D.Y.;Gastroenterology,1989
2. Association between infection with Helicobacter pylori and risk of gastric cancer: evidence from a prospective investigation;Forman, D.; Newell, D.G.; Fullerton, F.; Yarnell, J.W.G.; Ratcey, A.R.; Wald, N.;BMJ,1991
3. Water source as risk factor for Helicobacter pylori infection in Peruvian children;Kelein, D.K.; Graham, D.Y.; Gaillour, A.; Opekun, R.A.; Smith, E.O.;Lancet,1991
4. Route of infection in Campylobacter pylori (CP) disease;Mai, U.; Borsch, G.; Opferkuch, W.;Gastroenterology,1989
5. Do teeth predispose to duodenal ulcer relapse?;Khandaker, M.A.K.; Scott, A.; Eastwood, M.A.; Palmer, K.R.;Gut,1991