TropanesMuscarinic AntagonistsAdministration, InhalationDry Powder InhalersScopolamine DerivativesInhalation ExposureBronchodilator AgentsSmoke Inhalation InjuryGlycopyrrolateBurns, InhalationPulmonary Disease, Chronic ObstructiveForced Expiratory VolumeInhalationIpratropiumDyspneaXerostomiaBronchoconstrictionAerosolsLungCarbacholBronchiAnesthetics, InhalationAnesthesia, InhalationPowdersDrug Administration ScheduleDouble-Blind MethodRecovery of FunctionTime FactorsDose-Response Relationship, DrugTreatment OutcomeSeverity of Illness IndexBronchial Provocation TestsAsthmaAtmosphere Exposure ChambersAlbuterolAir Pollutants, OccupationalParticle SizeXenon RadioisotopesInhalation SpacersBronchoalveolar Lavage FluidMethacholine ChlorideAirway ResistanceAir PollutantsBurnsMetered Dose InhalersCarboxyhemoglobinSmokeRats, Inbred F344Bronchial HyperreactivityRespiratory Function TestsRespirationIsocyanatesRespiratory TherapyDustTrichloroethanesOccupational ExposureNitrous OxideCromolyn SodiumOxygen RadioisotopesBronchoconstrictor AgentsOxygen Inhalation TherapyRespiratory SystemPlutoniumCarbon DioxideBudesonideVehicle EmissionsVolatilizationGasesCyanatesIsofluraneBody BurdenHydrocarbonsAnthraxTerbutaline