Helicobacter pyloriHelicobacter InfectionsHelicobacterGastritisGastric MucosaHelicobacter hepaticusUreaseHelicobacter heilmanniiStomachPeptic UlcerClarithromycinMetronidazoleAmoxicillinDyspepsiaBacterial ProteinsAnti-Ulcer AgentsOmeprazoleStomach NeoplasmsAntigens, BacterialStomach DiseasesGastritis, AtrophicBismuthPyloric AntrumStomach UlcerBreath Tests2-PyridinylmethylsulfinylbenzimidazolesAnti-Bacterial AgentsAntibodies, BacterialGastroscopyLansoprazoleDNA, BacterialProton Pump InhibitorsDrug Therapy, CombinationMetaplasiaPolymerase Chain ReactionTinidazoleLewis Blood-Group SystemPepsinogen ABiopsyGerbillinaeUreaRanitidineMolecular Sequence DataEndoscopy, GastrointestinalDuodenitisFurazolidoneHelicobacter mustelaeLymphoma, B-Cell, Marginal ZoneCytotoxinsRNA, Ribosomal, 16SGastrinsRabeprazoleGastric AcidGastric MucinsAntacidsPepsinogensPepsinogen CTetracyclineAntitrichomonal AgentsNitroreductasesGenes, BacterialImmunoglobulin GPenicillinsVirulenceSequence Analysis, DNAVirulence FactorsParietal Cells, GastricFecesBacterial AdhesionSulfoxidesEndoscopy, Digestive SystemDNA, RibosomalCampylobacterDrug Resistance, BacterialOrganometallic CompoundsGastric JuiceEnzyme-Linked Immunosorbent AssayRNA, Ribosomal, 23SGastrointestinal DiseasesBase SequenceHepatitis, AnimalAchlorhydriaAntigens, CD15Genomic IslandsGenome, BacterialSeroepidemiologic StudiesPhylogenySensitivity and SpecificityEpithelial CellsPeptic Ulcer HemorrhageInterleukin-8Adhesins, BacterialPrevalenceGastroesophageal RefluxMicrobial Sensitivity TestsGene Expression Regulation, BacterialColony Count, MicrobialChronic DiseaseRNA, BacterialSpecies Specificity