HeartburnGastroesophageal RefluxAntacidsEsophagitisAnti-Ulcer AgentsRanitidineEsophagitis, PepticHistamine H2 AntagonistsProton Pump InhibitorsEsomeprazoleEsophageal pH MonitoringOmeprazoleEsophagusLaryngopharyngeal RefluxEsophagoscopy2-PyridinylmethylsulfinylbenzimidazolesManometryNizatidineDexlansoprazoleGastric Acidity DeterminationHernia, HiatalSilicic AcidCisaprideHydrochloric AcidFundoplicationRabeprazoleDiagnostic Techniques, Digestive SystemGastric AcidDeglutition DisordersAluminum HydroxideDyspepsiaMorning SicknessMagnesium HydroxideLansoprazoleEsophageal AchalasiaLaryngitisDouble-Blind MethodEndoscopy, GastrointestinalAdministration, MucosalCalcium CarbonateBarrett EsophagusEsophagogastric JunctionSulfoxidesEsophageal DiseasesSodium BicarbonateNontherapeutic Human ExperimentationTreatment OutcomeNonprescription DrugsEndoscopy, Digestive SystemPeristalsisHydrogen-Ion ConcentrationEsophageal Motility DisordersEsophageal Sphincter, LowerEructation