GastritisCrohn DiseaseHelicobacter pyloriDuodenoscopyHelicobacter InfectionsHelicobacterGastritis, AtrophicGastric MucosaStomachUreasePyloric AntrumHelicobacter heilmanniiHelicobacter hepaticusStomach NeoplasmsPeptic UlcerGastroscopyMetaplasiaNod2 Signaling Adaptor ProteinDyspepsiaPepsinogen AStomach DiseasesStomach UlcerAmoxicillinGastritis, HypertrophicClarithromycinAnti-Ulcer AgentsMetronidazoleOmeprazoleBacterial ProteinsAntigens, BacterialAchlorhydriaBiopsyInflammatory Bowel DiseasesGastrinsBismuthColitis, UlcerativePepsinogen CDuodenitisAntibodies, BacterialChronic DiseaseBile RefluxParietal Cells, Gastric2-PyridinylmethylsulfinylbenzimidazolesBreath TestsEndoscopy, GastrointestinalPepsinogensAnti-Bacterial AgentsLansoprazoleGastric JuiceProton Pump InhibitorsGastric AcidDNA, BacterialDrug Therapy, CombinationPolymerase Chain ReactionCampylobacterDuodenal UlcerHelicobacter felisPrecancerous ConditionsIntestinal MucosaGerbillinaeAnemia, PerniciousSpecialties, NursingLewis Blood-Group SystemTinidazoleEndoscopyAcinonyxCase-Control StudiesLymphoma, B-Cell, Marginal ZoneEndoscopy, Digestive SystemAntacidsIntestinesRanitidineCytotoxinsPrevalenceGenotypeUreaMolecular Sequence DataPostgastrectomy SyndromesAtrophyEnterostomyReceptor-Interacting Protein Serine-Threonine Kinase 2Prospective StudiesGastrointestinal DiseasesGastric Acidity DeterminationAcetylmuramyl-Alanyl-IsoglutamineImmunoglobulin GGastric MucinsSensitivity and SpecificityRisk FactorsIleumGastroesophageal RefluxH(+)-K(+)-Exchanging ATPaseGastric FundusGenetic Predisposition to DiseasePaneth CellsRNA, Ribosomal, 16SEsophagitisRabeprazoleColon, TransverseFurazolidone