Bile RefluxGastritisDuodenogastric RefluxDiarrheaPostgastrectomy SyndromesGastroesophageal RefluxGastritis, AtrophicGastroenterostomyAnastomosis, Roux-en-YStomachPyloric AntrumGastric JuiceBiliary Tract DiseasesGastric EmptyingHelicobacter pyloriVesico-Ureteral RefluxVagotomyHelicobacter InfectionsEndoscopy, GastrointestinalGastric MucosaGallbladderBile DuctsDiarrhea, InfantileEsophagitis, PepticBiopsyDiarrhea Viruses, Bovine ViralEsophagusGastroscopyMetaplasiaGastritis, HypertrophicLaryngopharyngeal RefluxPostoperative ComplicationsEsophagitisPepsinogen AEsophageal pH MonitoringStomach NeoplasmsAchlorhydriaHeartburnManometryProton Pump InhibitorsGastric Acidity DeterminationGastrinsGastric AcidStomach UlcerAnti-Ulcer AgentsVenous InsufficiencyHernia, HiatalChronic DiseaseEsophagogastric JunctionPeptic UlcerOmeprazoleStomach DiseasesAntacidsDuodenal UlcerDyspepsiaEsophagoscopyBarrett EsophagusFecesPepsinogen CFundoplicationBovine Virus Diarrhea-Mucosal DiseaseEndoscopyAntidiarrhealsHelicobacter felisDiarrhea Virus 1, Bovine ViralHelicobacter heilmanniiParietal Cells, GastricEndoscopy, Digestive SystemDuodenitisAnemia, Pernicious2-PyridinylmethylsulfinylbenzimidazolesHydrogen-Ion ConcentrationHelicobacterUreaseGastric FundusVaricose VeinsPepsinogensCampylobacterPrecancerous ConditionsPeristalsisDiarrhea Virus 2, Bovine ViralGastrointestinal DiseasesLansoprazoleAtrophyProspective StudiesAntigens, BacterialLaryngitisEsophageal Sphincter, LowerCisaprideCampylobacter InfectionsUltrasonography, Doppler, DuplexTreatment OutcomeEscherichia coli InfectionsAmoxicillinPrevalenceEructationAntibodies, BacterialAcinonyxDuodenumRabeprazole