Relation of Bab A2 genotype of Helicobacter pylori infection with chronic active gastritis, duodenal ulcer and non-cardia active gastritis in Alzahra hospital Isfahan, Iran Journal title: Jundishapur Journal of Microbiology Authors: Hajieh Ghasemian Safaei, Seyed Asghare Havaei, Hamid Tavakkoli, Morteza Eshaghei, Farahtaj Nava... Subject(s): Biological Sciences, Microbiology