Administration, InhalationInhalation ExposureSmoke Inhalation InjuryBurns, InhalationAdministration, OralInhalationAerosolsGene DosageDose-Response Relationship, DrugDosage Compensation, GeneticDrug Administration ScheduleDosage FormsTime FactorsLungInjections, IntravenousAnesthetics, InhalationPowdersAnesthesia, InhalationRats, Sprague-DawleyDrug Administration RoutesUnited States Food and Drug AdministrationDisease Models, AnimalAdministration, IntranasalRats, WistarBronchial Provocation TestsAsthmaDouble-Blind MethodBronchodilator AgentsRats, Inbred F344AlbuterolInjections, IntraperitonealMice, Inbred C57BLCross-Over StudiesHalf-LifeParticle SizeInjections, SubcutaneousBiological AvailabilityAtmosphere Exposure ChambersLiverBronchoalveolar Lavage FluidTreatment OutcomeArea Under CurveDry Powder InhalersInfusions, IntravenousInjections, IntramuscularAir Pollutants, OccupationalMethacholine ChlorideDogsXenon RadioisotopesAdministration, TopicalInhalation SpacersTissue DistributionForced Expiratory VolumeDrug InteractionsRespirationBronchoconstrictionAirway ResistanceBurnsMice, Inbred BALB CRandom AllocationBody WeightNitrous OxideOrgan SizeBronchiBrainAdministration, RectalBlood PressureBronchial HyperreactivityCarbon DioxideChemistry, PharmaceuticalAdministration, CutaneousMetered Dose InhalersRespiratory Function TestsRats, Inbred StrainsAir PollutantsCarboxyhemoglobinAnalysis of VarianceSmokeRespiratory SystemNitric OxideCromolyn SodiumHemodynamicsAdministration, IntravenousIsocyanatesRespiratory TherapyOccupational ExposureOxygen Inhalation TherapyMice, Inbred StrainsMetabolic Clearance RateDrug Therapy, CombinationOxygenBronchoconstrictor AgentsDustDrug CombinationsChromatography, High Pressure LiquidKidneyOxygen RadioisotopesIsofluraneHeart RateTrichloroethanes