1. Epidemiology of H. pylori in Western countries;Marshall,1994
2. H. pylori in developing countries;Hazell,1994
3. Epidemiology of Helicobacte prylon infection;Mégraud;Gastroenterol Clin North Am,1993
4. Prevalence/disease correlates of H. pylori;Lambert,1994
5. Eradication of Helicobacter pylori cures duodenal ulcer;Rauws;Lancet,1990