HeartburnGastroesophageal RefluxAntacidsEsophagitisAnti-Ulcer AgentsRanitidineEsophagitis, PepticHistamine H2 AntagonistsProton Pump InhibitorsEsomeprazoleEsophageal pH MonitoringEsophagusOmeprazoleLaryngopharyngeal RefluxEsophagoscopy2-PyridinylmethylsulfinylbenzimidazolesManometryNizatidineDexlansoprazoleGastric Acidity DeterminationHernia, HiatalSilicic AcidCisaprideFundoplicationHydrochloric AcidRabeprazoleDiagnostic Techniques, Digestive SystemDeglutition DisordersGastric AcidAluminum HydroxideDyspepsiaMorning SicknessMagnesium HydroxideEsophageal AchalasiaLansoprazoleTreatment OutcomeLaryngitisDouble-Blind MethodEndoscopy, GastrointestinalAdministration, MucosalCalcium CarbonateBarrett EsophagusEsophageal DiseasesEsophagogastric JunctionQuestionnairesNontherapeutic Human ExperimentationSulfoxidesSodium BicarbonateEndoscopy, Digestive SystemNonprescription DrugsPeristalsisHydrogen-Ion ConcentrationRetrospective StudiesEsophageal Motility DisordersEsophageal Sphincter, LowerEructation