Lactose IntoleranceAdministration, InhalationInhalation ExposureLactose Tolerance TestSmoke Inhalation InjuryBurns, InhalationInhalationLactose SynthaseAdministration, OralAerosolsPowdersLactose FactorsLactaseThiogalactosidesSymportersDose-Response Relationship, DrugMilkTime FactorsLungAnesthetics, InhalationNitrophenylgalactosidesDrug Administration ScheduleInjections, IntravenousAnesthesia, InhalationGalactosidesGalactosidasesMonosaccharide Transport ProteinsBreath TestsMembrane Transport ProteinsRats, Sprague-DawleyMethylgalactosidesDrug Administration RoutesUnited States Food and Drug AdministrationHydrogenAdministration, IntranasalDisease Models, AnimalBronchial Provocation TestsYogurtRats, WistarAlbuterolParticle SizeAsthmaBronchodilator AgentsCross-Over StudiesEscherichia coliMelibioseDry Powder InhalersDouble-Blind MethodRats, Inbred F344Biological AvailabilityLac OperonInjections, IntraperitonealEscherichia coli ProteinsAtmosphere Exposure ChambersMice, Inbred C57BLLiverBronchoalveolar Lavage FluidChemistry, PharmaceuticalInjections, SubcutaneousAir Pollutants, OccupationalRespirationMethacholine ChlorideDisaccharidesCarbohydrate MetabolismXenon RadioisotopesDairy ProductsInhalation SpacersExcipientsFlatulenceIntestinal AbsorptionRandom AllocationForced Expiratory VolumeCarbon DioxideDogsGalactosephosphatesBronchoconstrictionBody WeightAirway ResistanceHalf-LifeKineticsLactalbuminBurnsAdministration, TopicalNitrous OxideBronchiRats, Inbred StrainsTissue DistributionMice, Inbred BALB CBronchial HyperreactivityInfusions, IntravenousThioglycosidesAdministration, RectalRespiratory SystemLactationGlucosePhosphoenolpyruvate Sugar Phosphotransferase SystemInjections, IntramuscularMetered Dose InhalersTreatment OutcomeGlycosides