HeartburnGastroesophageal RefluxBile RefluxEsophagitis, PepticDuodenogastric RefluxEsophagitisVesico-Ureteral RefluxEsophagusLaryngopharyngeal RefluxAntacidsEsophageal pH MonitoringAnti-Ulcer AgentsProton Pump InhibitorsManometryEsophagoscopyRanitidineHistamine H2 AntagonistsOmeprazoleHernia, HiatalEsomeprazoleGastric Acidity Determination2-PyridinylmethylsulfinylbenzimidazolesFundoplicationCisaprideGastric AcidSilicic AcidEsophagogastric JunctionRabeprazoleBarrett EsophagusLaryngitisHydrochloric AcidDeglutition DisordersDyspepsiaNizatidineEndoscopy, GastrointestinalLansoprazoleDexlansoprazoleAluminum HydroxideDiagnostic Techniques, Digestive SystemEsophageal AchalasiaHydrogen-Ion ConcentrationVenous InsufficiencyPeristalsisTreatment OutcomeMagnesium HydroxideMorning SicknessEsophageal Sphincter, LowerEsophageal DiseasesEructationSeverity of Illness IndexEndoscopy, Digestive SystemCoughEsophageal Motility DisordersDouble-Blind MethodSulfoxidesGastrointestinal AgentsQuestionnairesGastric EmptyingStomachEsophageal StenosisQuality of LifeSodium BicarbonateGastroscopyProspective StudiesVaricose VeinsPrevalenceAdministration, MucosalGastrointestinal DiseasesCalcium CarbonateTime FactorsFollow-Up StudiesBenzimidazolesNonprescription DrugsElectric ImpedanceAlginatesFamotidineIrritable Bowel SyndromeGastrointestinal ContentsNontherapeutic Human ExperimentationCardiaUltrasonography, Doppler, DuplexHelicobacter InfectionsRisk FactorsSymptom AssessmentChronic DiseaseDepressionHelicobacter pyloriRetrospective StudiesChest PainRecurrenceLaparoscopy