SpasmEsophagusBarrett EsophagusSpasms, InfantileHemifacial SpasmEsophageal NeoplasmsCoronary VasospasmEsophageal Spasm, DiffuseEsophagoscopyEsophageal DiseasesErgonovineEsophageal StenosisAngina Pectoris, VariantEsophagectomyEsophagogastric JunctionMetaplasiaGastroesophageal RefluxCardiaAdenocarcinomaEsophagoplastyTunica IntimaManometryMucous MembraneFacial MusclesEsophagitisPrecancerous ConditionsPeristalsisEsophagitis, PepticEsophageal PerforationBlepharospasmEsophageal AchalasiaEsophageal Sphincter, LowerEsophageal FistulaDeglutition DisordersVigabatrinDeglutitionCarcinoma, Squamous CellDimethylnitrosamineEndoscopy, GastrointestinalHypopharynxHernia, HiatalPleural DiseasesCoronary VesselsEndoscopy, Digestive SystemEsophagoscopesCausticsBiopsyTomography, X-Ray ComputedEsophageal Motility DisordersStomachCatheterizationFacial Nerve DiseasesTunica MediaImmunohistochemistryDilatationTime FactorsCarotid ArteriesRetrospective StudiesDisease Models, AnimalHyperplasiaEndoscopyTreatment OutcomeFundoplicationCineradiographyStomach NeoplasmsCarotid Artery InjuriesEsophageal Sphincter, UpperEsophageal AtresiaHydrochloric AcidMuscle, Smooth, VascularMyocardial StunningNeuromuscular AgentsDiverticulum, EsophagealRisk FactorsForeign BodiesFollow-Up StudiesBurns, ChemicalCoronary AngiographyCarotid Artery, CommonPleuraMuscle SpasticityDogsCase-Control StudiesBasement MembraneAcetylcholineDuodenogastric RefluxEosinophilic EsophagitisProspective StudiesDisease ProgressionUpper Gastrointestinal TractFacial NerveTracheoesophageal FistulaStiff-Person SyndromeMuscle, SmoothNitroglycerinAngina PectorisCoronary CirculationFatal OutcomeArteriosclerosisBotulinum Toxins, Type A