Bronchial HyperreactivityBronchial Provocation TestsMethacholine ChlorideAsthmaBronchoconstrictor AgentsBronchiMethacholine CompoundsAirway ResistanceBronchial SpasmRespiratory HypersensitivityHistamineBronchoconstrictionAllergensForced Expiratory VolumeEosinophilsDyspnea, ParoxysmalNaphazolineOvalbuminLungBronchial DiseasesRespiratory Function TestsEosinophil Granule ProteinsAirway RemodelingAirway ObstructionSkin TestsBronchoalveolar Lavage FluidInterleukin-5FenoterolHypersensitivity, ImmediateAerosolsLeukotriene C4Respiratory SoundsGuinea PigsAdministration, IntranasalImmunoglobulin ECoughAlbuterolSpirometryAdministration, InhalationOccupational DiseasesVital CapacityLeukocyte CountRespiratory SystemAcetylcholineDouble-Blind MethodRespiratory MucosaReceptor, Muscarinic M2MucusEosinophiliaInterleukin-13HypersensitivityMice, Inbred BALB CPulmonary EosinophiliaVagus NerveTh2 CellsAirway ManagementOzoneMuscle, SmoothDisease Models, AnimalGoblet CellsCockroachesInflammationPneumoniaParathionChemokine CCL11Oxidants, PhotochemicalTracheaToluene 2,4-DiisocyanateTracheal DiseasesPyroglyphidaeBradycardiaIntubation, IntratrachealCytokinesArecolineMice, KnockoutBronchitisCissampelosMice, Inbred C57BLEosinophil Major Basic ProteinVagotomyPlethysmography, Whole BodyLung ComplianceInterleukin-4Bronchodilator AgentsSpecific Pathogen-Free OrganismsInjections, IntraperitonealLaryngeal MasksNeurokinin-1 Receptor AntagonistsChemokines, CCContinuous Positive Airway PressureVagus Nerve DiseasesEpithelial CellsSubstance PLung Diseases, ObstructiveMuscle ContractionParasympathetic Nervous SystemRespiratory Tract DiseasesReceptors, Neurokinin-2ForeheadDose-Response Relationship, Drug