Gastric MucosaStomach UlcerDuodenal UlcerPeptic UlcerGastritisHelicobacter pyloriPeptic Ulcer HemorrhageHelicobacter InfectionsAnti-Ulcer AgentsStomachIntestinal MucosaLeg UlcerPressure UlcerGastric AcidAcetic AcidStomach DiseasesCimetidineSkin UlcerGastric JuicePeptic Ulcer PerforationGastroscopyStomach NeoplasmsMouth MucosaOmeprazolePyloric AntrumSucralfateMetaplasiaGastrinsPylorusRanitidineAnti-Inflammatory Agents, Non-SteroidalIndomethacinHistamine H2 AntagonistsGastritis, AtrophicHydrochloric AcidParietal Cells, GastricBuruli UlcerWound HealingPepsinogensVagotomyNasal MucosaGlycyrrhizaGastrointestinal HemorrhageFamotidineRats, WistarGefarnateDyspepsiaHelicobacterEndoscopy, GastrointestinalDuodenumPentagastrinEthanolChoristomaBiopsyBile RefluxImmersionGastric MucinsGastrectomyUreaseGastric Fistula2-PyridinylmethylsulfinylbenzimidazolesPlant ExtractsDinoprostoneMucusRecurrenceCyclooxygenase 1EndoscopyTetragastrinAmoxicillinAspirinProton Pump InhibitorsH(+)-K(+)-Exchanging ATPaseHistamineProstaglandins E, SyntheticUlcerEndoscopy, Digestive SystemMagnesium HydroxideEsophageal DiseasesImmunohistochemistryPepsin ARats, Sprague-DawleyCyclooxygenase 2PhytotherapyMucous MembraneHematemesisGastrointestinal DiseasesGastric FundusDuodenal DiseasesDuodenoscopyPrecancerous ConditionsProstaglandin-Endoperoxide SynthasesRats, Inbred StrainsAntacidsDuodenitisGastric Acidity DeterminationLansoprazoleChronic DiseaseDuodenogastric RefluxPostgastrectomy SyndromesVagotomy, Proximal Gastric