TracheaEsophagusBarrett EsophagusEsophageal NeoplasmsEsophagoscopyEsophageal DiseasesTracheal NeoplasmsEsophageal StenosisGastroesophageal RefluxCardiaEsophagitisEsophagogastric JunctionEsophagitis, PepticMucous MembraneEsophageal PerforationDeglutition DisordersTracheal DiseasesMetaplasiaPeristalsisMuscle, SmoothAdenocarcinomaManometryDilatationHernia, HiatalEructationGuinea PigsTracheal StenosisPrecancerous ConditionsEsophageal AchalasiaForeign BodiesMuscle ContractionMuscle RelaxationHematemesisIntubationEsophageal Motility DisordersVagus NerveEsophagoscopesDeglutitionEpitheliumHydrochloric AcidHeartburnCarcinoma, Squamous CellStomachBile RefluxEsophageal FistulaDiverticulum, EsophagealEndoscopyCausticsTracheoesophageal FistulaAntacidsBronchiBarium SulfateLarynxEsophagoplastyProton Pump InhibitorsEsophagectomyPressureIntubation, IntratrachealOmeprazoleBiopsyBronchial NeoplasmsLaryngeal NervesEndoscopy, GastrointestinalEsophageal Spasm, DiffuseAnti-Ulcer AgentsGastric AcidRecurrent Laryngeal NervePolyphloretin PhosphateRespiratory SystemStomach NeoplasmsDigestive SystemStomach, RuminantMucusIndigo CarmineHydrogen-Ion ConcentrationKeratoderma, Palmoplantar, DiffuseTracheotomyBronchoscopyPharyngeal NeoplasmsEndoscopy, Digestive SystemAminolevulinic AcidBiperidenAtropineElectric StimulationMethysergidePhotochemotherapyLungBurns, ChemicalTime FactorsParasympathetic Nervous SystemHistamineHiccupDigestive System NeoplasmsGastroscopyGastric MucosaUpper Gastrointestinal TractAlcian BlueLaryngoscopyRupture, SpontaneousLaser Therapy