GastritisPyloric StenosisGastritis, AtrophicPylorusPyloric AntrumPyloric Stenosis, HypertrophicGastric MucosaHelicobacter pyloriHelicobacter InfectionsInflammatory Bowel DiseasesPalinuridaeStomachNephropidaeIrritable Bowel SyndromeGastritis, HypertrophicMetaplasiaGastroscopyGanglia, InvertebrateStomach NeoplasmsStomach DiseasesPepsinogen AStomach UlcerBrachyuraDuodenumGastrinsGastric EmptyingAchlorhydriaDuodenal UlcerPeptic UlcerBile RefluxGastrointestinal MotilityGastric JuiceDigestive SystemShort Bowel SyndromeHypertrophyPepsinogen CEndoscopy, GastrointestinalDuodenogastric RefluxCrohn DiseasePeriodicityHelicobacter felisHelicobacter heilmanniiDuodenitisParietal Cells, GastricChronic DiseaseAnemia, PerniciousDyspepsiaBiopsyPepsinogensHelicobacterEpidermolysis BullosaGastroenterostomyColitis, UlcerativeUreaseIntestinal AtresiaPrecancerous ConditionsNervous System Physiological PhenomenaPostgastrectomy SyndromesGastric AcidAnti-Ulcer AgentsGastric DilatationVagotomyIntestinesDumping SyndromeIntestinal MucosaGastric FundusBarium SulfateDigestive System Physiological PhenomenaCampylobacterEndoscopyAtrophyGastrointestinal DiseasesDigestive System AbnormalitiesOctopamineNerve NetAcinonyxGastrectomyIntubation, GastrointestinalIntestinal DiseasesAntigens, BacterialVomitingH(+)-K(+)-Exchanging ATPaseGastric Outlet ObstructionAutoimmune DiseasesAmoxicillinEndoscopy, Digestive SystemColonManometryConstipationGastroparesisDuodenal DiseasesOmeprazoleIntegrin beta4DefecationGangliaAntibodies, BacterialProlapseAbdominal PainVagotomy, Proximal GastricImmunohistochemistry