BudesonideNebulizers and VaporizersPregnenedionesBronchodilator AgentsAdministration, InhalationEthanolaminesTerbutalinePowdersAsthmaAnti-Inflammatory AgentsMetered Dose InhalersAnti-Asthmatic AgentsDouble-Blind MethodPeak Expiratory Flow RateForced Expiratory VolumeAlbuterolCross-Over StudiesInhalation SpacersGlucocorticoidsAndrostadienesAerosolsAdministration, TopicalAdrenergic beta-AgonistsDry Powder InhalersOropharynxAdrenal Cortex HormonesInspiratory CapacityDrug Therapy, CombinationColitis, CollagenousJordanTreatment OutcomeBeclomethasoneCroupInhalationRespiratory Function TestsPulmonary Disease, Chronic ObstructivePregnadienediolsLungSingle-Blind MethodProctocolitisDrug CombinationsDose-Response Relationship, DrugAdrenergic beta-2 Receptor AgonistsCapsulesPharmacistsRussiaDrug Administration ScheduleBiological AvailabilityNedocromilDelayed-Action PreparationsParticle SizeAscaris suumHydrocortisoneRacepinephrineLeukotriene E4Colitis, MicroscopicEquipment FailureAerosol PropellantsEquipment DesignAnalysis of VarianceTechnetium