GastritisHelicobacter pyloriHelicobacter InfectionsHelicobacterGastritis, AtrophicStomachGastric MucosaStomach NeoplasmsPyloric AntrumStomach DiseasesUreaseDNA DamageHelicobacter heilmanniiStomach UlcerHelicobacter hepaticusPeptic UlcerGastroscopyMetaplasiaDyspepsiaPepsinogen AGastritis, HypertrophicAmoxicillinAnti-Ulcer AgentsClarithromycinOmeprazoleMetronidazoleBacterial ProteinsGastrinsAntigens, BacterialAchlorhydriaPepsinogen CBiopsyBismuthParietal Cells, GastricDuodenitisGastric JuiceBile RefluxAntibodies, BacterialEndoscopy, GastrointestinalGastric AcidPepsinogens2-PyridinylmethylsulfinylbenzimidazolesChronic DiseaseBreath TestsAnti-Bacterial AgentsLansoprazoleProton Pump InhibitorsGerbillinaeHelicobacter felisPrecancerous ConditionsPolymerase Chain ReactionGastric FundusDNA, BacterialAnemia, PerniciousDrug Therapy, CombinationCampylobacterDuodenal UlcerEndoscopyEndoscopy, Digestive SystemMolecular Sequence DataLymphoma, B-Cell, Marginal ZoneLewis Blood-Group SystemAntacidsTinidazoleGastric Acidity DeterminationAcinonyxGastric MucinsDuodenumRanitidineGastrointestinal DiseasesPostgastrectomy SyndromesUreaCytotoxinsAtrophyH(+)-K(+)-Exchanging ATPaseGastroesophageal RefluxImmunoglobulin GGastrectomyEsophagitisAdenocarcinomaRNA, Ribosomal, 16SImmunohistochemistryEnzyme-Linked Immunosorbent AssayDuodenogastric RefluxRabeprazoleMice, Inbred C57BLGastrin-Secreting CellsBase SequenceOrganometallic CompoundsTime FactorsPrevalenceEsophagitis, PepticVirulenceFurazolidoneDisease Models, AnimalEpithelial CellsVirulence FactorsCardiaGenes, BacterialInterleukin-8