SpasmSpasms, InfantileHemifacial SpasmSensitivity and SpecificityCoronary VasospasmEsophageal Spasm, DiffuseErgonovineAngina Pectoris, VariantFacial MusclesBlepharospasmVigabatrinContrast SensitivityFacial Nerve DiseasesReproducibility of ResultsTime FactorsPredictive Value of TestsNeuromuscular AgentsMuscle SpasticityAcetylcholineCoronary AngiographyInsulin ResistanceROC CurveMutationFacial NerveAngina PectorisStiff-Person SyndromeBotulinum Toxins, Type ADose-Response Relationship, DrugMultiple Chemical SensitivityOxytocicsCerebellopontine AngleSensory ThresholdsNitroglycerinVasodilator AgentsNerve Compression SyndromesAnticonvulsantsProspective StudiesCoronary VesselsReagent Kits, DiagnosticInsulinAdrenocorticotropic HormoneMicrovascular Decompression SurgeryPolymerase Chain ReactionMolecular Sequence DataManometryElectrocardiographyTrigeminal NeuralgiaCalciumDrug ResistanceInjections, Intra-ArterialTreatment OutcomeRetrospective Studies