Administration, InhalationInhalation ExposureSmoke Inhalation InjuryBurns, InhalationInhalationAdministration, OralAerosolsLungAnesthetics, InhalationDose-Response Relationship, DrugDrug Administration ScheduleTime FactorsAnesthesia, InhalationInjections, IntravenousPowdersRats, Sprague-DawleyDrug Administration RoutesUnited States Food and Drug AdministrationAdministration, IntranasalDisease Models, AnimalBronchial Provocation TestsRats, WistarAsthmaBronchodilator AgentsRats, Inbred F344AlbuterolInjections, IntraperitonealBiological AvailabilityAtmosphere Exposure ChambersMice, Inbred C57BLParticle SizeBronchoalveolar Lavage FluidCross-Over StudiesDouble-Blind MethodDry Powder InhalersLiverInjections, SubcutaneousAir Pollutants, OccupationalMethacholine ChlorideXenon RadioisotopesInhalation SpacersForced Expiratory VolumeBronchoconstrictionAirway ResistanceHalf-LifeRespirationBurnsDogsAdministration, TopicalNitrous OxideBronchiTissue DistributionMice, Inbred BALB CBronchial HyperreactivityInfusions, IntravenousAdministration, RectalCarbon DioxideInjections, IntramuscularMetered Dose InhalersArea Under CurveAir PollutantsCarboxyhemoglobinRespiratory Function TestsSmokeDrug InteractionsTreatment OutcomeBrainRespiratory SystemBlood PressureOrgan SizeBody WeightRats, Inbred StrainsNitric OxideIsocyanatesRespiratory TherapyRandom AllocationAdministration, CutaneousOccupational ExposureCromolyn SodiumOxygen Inhalation TherapyBronchoconstrictor AgentsAnalysis of VarianceDustHemodynamicsOxygen RadioisotopesIsofluraneOxygenTrichloroethanesAdministration, IntravenousPlutoniumInjections, IntraventricularMice, Inbred StrainsPneumoniaHeart RateBudesonideIpratropiumOvalbuminTerbutalineKidneyGases