Dramatic changes in the prevalence of Helicobacter pylori infection during childhood: a 10-year follow-up study in Russia

Tkachenko MA, Zhannat NZ, Erman LV, Blashenkova EL, Isachenko SV, Isachenko OB, Graham DY, Malaty HM. Dramatic changes in the prevalence of Helicobacter pylori infection during childhood: a 10-year follow-up study in Russia. J Pediatr Gastroenterol Nutr. 2007; 45(4): 428-32.