BudesonidePregnenedionesBronchodilator AgentsAdministration, InhalationEthanolaminesPulmonary Disease, Chronic ObstructiveAnti-Inflammatory AgentsNebulizers and VaporizersAsthmaForced Expiratory VolumeGlucocorticoidsAnti-Asthmatic AgentsAdministration, TopicalDouble-Blind MethodTerbutalinePeak Expiratory Flow RateColitis, CollagenousAndrostadienesBeclomethasoneAerosolsAlbuterolAdrenal Cortex HormonesAdrenergic beta-2 Receptor AgonistsPowdersCroupMetered Dose InhalersDrug CombinationsVital CapacityProctocolitisRespiratory Function TestsCross-Over StudiesSpirometryDrug Therapy, CombinationCapsulesAdrenergic beta-AgonistsTreatment OutcomeLungNedocromilDelayed-Action PreparationsScopolamine DerivativesLung Diseases, ObstructiveDyspneaInhalation SpacersAscaris suumRespiratory System AgentsHydrocortisoneLeukotriene E4Aerosol PropellantsRacepinephrineBronchial Provocation TestsColitis, MicroscopicProcaterolSeverity of Illness IndexDrug Administration ScheduleSputumMultiple Pulmonary Nodules