Peptic UlcerPeptic Ulcer HemorrhagePeptic Ulcer PerforationStomach UlcerDuodenal UlcerHelicobacter pyloriHelicobacter InfectionsLeg UlcerPressure UlcerSkin UlcerAnti-Ulcer AgentsGastritisHemostasis, EndoscopicDyspepsiaDuodenal NeoplasmsEndoscopy, GastrointestinalOmeprazoleGastroscopyHematemesisGastric MucosaProton Pump InhibitorsStomachDuodenoscopyMelenaDuodenal DiseasesDuodenitisGastrointestinal HemorrhageHistamine H2 AntagonistsBuruli UlcerAnti-Inflammatory Agents, Non-SteroidalGastric AcidCimetidineGastric JuiceEndoscopyAmoxicillinPylorusRanitidineClarithromycinVagotomy2-PyridinylmethylsulfinylbenzimidazolesAntacidsPyloric AntrumGastrointestinal DiseasesMetronidazoleStomach DiseasesStomach NeoplasmsGastroenterostomyLansoprazoleEndoscopy, Digestive SystemRecurrenceVagotomy, Proximal GastricElectrocoagulationUpper Gastrointestinal TractGastrinsGastric Outlet ObstructionDuodenal ObstructionBismuthIntestinal MucosaDrug Therapy, CombinationEsophagitisFurazolidoneBrunner GlandsGastrectomyZollinger-Ellison SyndromeAntigens, BacterialTetragastrinJejunumGastric FistulaTinidazoleIntestine, SmallTreatment OutcomeAnti-Bacterial AgentsUreaseDuodenumDiabetic FootBreath TestsRisk FactorsBacterial ProteinsProspective StudiesBiopsyGastrointestinal MotilityAspirinTime FactorsPepsinogensEsomeprazoleSecretinDumping SyndromeGastric EmptyingIleumPostgastrectomy SyndromesPolandGastric Acidity DeterminationGastritis, AtrophicEsophageal DiseasesMycobacterium ulceransCytotoxinsPrevalenceRabeprazoleAge FactorsOrganometallic Compounds