Bronchial HyperreactivityBronchial Provocation TestsMethacholine ChlorideAsthmaBronchoconstrictor AgentsMethacholine CompoundsBronchiBronchial SpasmAllergensHistamineRespiratory HypersensitivityDyspnea, ParoxysmalBronchoconstrictionForced Expiratory VolumeNaphazolineEosinophilsOvalbuminAirway ResistanceBronchial DiseasesLungEosinophil Granule ProteinsSkin TestsRespiratory Function TestsFenoterolHypersensitivity, ImmediateInterleukin-5Leukotriene C4Respiratory SoundsBronchoalveolar Lavage FluidAerosolsGuinea PigsImmunoglobulin EAdministration, IntranasalCoughOccupational DiseasesAlbuterolSpirometryVital CapacityAdministration, InhalationLeukocyte CountDouble-Blind MethodAcetylcholineReceptor, Muscarinic M2EosinophiliaInterleukin-13Vagus NerveHypersensitivityMice, Inbred BALB CCockroachesParathionTracheaPulmonary EosinophiliaMucusTh2 CellsPyroglyphidaeOzoneBradycardiaDisease Models, AnimalToluene 2,4-DiisocyanateGoblet CellsArecolineChemokine CCL11Oxidants, PhotochemicalCissampelosInflammationPneumoniaTracheal DiseasesAirway RemodelingEosinophil Major Basic ProteinVagotomyAirway ObstructionMuscle, SmoothVagus Nerve DiseasesMice, KnockoutSpecific Pathogen-Free OrganismsCytokinesInterleukin-4Injections, IntraperitonealNeurokinin-1 Receptor AntagonistsRespiratory SystemForeheadMice, Inbred C57BLChemokines, CC