BronchoconstrictionBronchoconstrictor AgentsAirway ResistanceBronchiBronchial Provocation TestsMethacholine ChlorideHistamineMethacholine CompoundsGuinea PigsIpratropiumVagotomyNeurokinin AProstaglandins DBronchial HyperreactivityAsthmaAdministration, InhalationBenzeneacetamidesCromolyn SodiumAerosolsHydantoinsForced Expiratory VolumeNedocromilBronchodilator AgentsLungAlbuterolReceptors, Neurokinin-2Dose-Response Relationship, DrugVagus NerveThromboxane A2TerbutalineTachykininsSRS-ANerve BlockMuscle, SmoothRespiratory Function TestsNeprilysinAtropineIndomethacinCapsaicinTracheaSubstance PRespiratory SystemPropranololProstaglandin D2Heart BlockDouble-Blind MethodAllergensOvalbuminSerotoninAcetylcholineMuscle ContractionTime FactorsBundle-Branch BlockAutonomic Nerve BlockAnesthetics, LocalLidocaineMolecular Sequence DataCell LineCells, CulturedMembrane PotentialsAmino Acid SequenceMutation