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 BicarbonateTreatment OutcomeNontherapeutic Human ExperimentationNonprescription DrugsHydrogen-Ion ConcentrationEndoscopy, Digestive SystemPeristalsisEsophageal Motility DisordersEsophageal Sphincter, LowerEructation