HeartburnEsophagitisEsophagitis, PepticEosinophilic EsophagitisGastroesophageal RefluxEsophagusEsophagoscopyHernia, HiatalAnti-Ulcer AgentsProton Pump InhibitorsAntacidsEsophageal pH MonitoringRanitidineHistamine H2 AntagonistsOmeprazoleLaryngopharyngeal RefluxDeglutition DisordersManometryEsomeprazole2-PyridinylmethylsulfinylbenzimidazolesEndoscopy, GastrointestinalBarrett EsophagusFundoplicationEsophageal StenosisEndoscopy, Digestive SystemHydrochloric AcidCisaprideEosinophiliaDexlansoprazoleGastric Acidity DeterminationLansoprazoleGastric AcidRabeprazoleEsophageal Motility DisordersEsophageal DiseasesNizatidineMucous MembraneEsophagogastric JunctionEsophageal Sphincter, LowerEsophageal AchalasiaSilicic AcidGastroscopyDyspepsiaDiagnostic Techniques, Digestive SystemPeristalsisAluminum HydroxideMorning SicknessMagnesium HydroxideEructationSulfoxidesTreatment OutcomePapio cynocephalusLaryngitisDouble-Blind MethodStomachGastrointestinal AgentsHydrogen-Ion ConcentrationDuodenogastric RefluxDilatationAdministration, MucosalPapio hamadryasEndoscopySeverity of Illness IndexCalcium CarbonateGastrointestinal ContentsCausticsGastrointestinal DiseasesSucralfateBenzimidazolesHelicobacter InfectionsCardiaSodium BicarbonateGastric FundusNontherapeutic Human ExperimentationRadiation InjuriesEsophageal NeoplasmsHelicobacter pyloriPrevalenceFood HypersensitivityNonprescription DrugsBiopsyDiet TherapyEosinophilsFlatulencePeptic UlcerUpper Gastrointestinal TractJejunostomy