BudesonideSteroidsPregnenedionesBronchodilator AgentsAdministration, InhalationEthanolaminesAnti-Inflammatory AgentsGlucocorticoidsNebulizers and VaporizersAsthmaAnti-Asthmatic AgentsAdministration, TopicalDouble-Blind MethodTerbutalineForced Expiratory VolumeColitis, CollagenousPeak Expiratory Flow RateAdrenal Cortex HormonesBeclomethasoneAndrostadienesGonadal Steroid HormonesAerosolsReceptors, SteroidCroupPowdersAlbuterolProctocolitisDrug CombinationsAdrenergic beta-2 Receptor AgonistsDrug Therapy, CombinationMetered Dose InhalersCapsulesCross-Over StudiesHydrocortisoneNedocromilPrednisoloneDelayed-Action PreparationsTreatment OutcomeAdrenergic beta-AgonistsAscaris suumInhalation SpacersSteroid 21-HydroxylaseColitis, MicroscopicRacepinephrineLeukotriene E4Aerosol PropellantsBronchial Provocation TestsProcaterolDose-Response Relationship, DrugDrug Administration ScheduleProgesteroneMultiple Pulmonary NodulesAnabolic AgentsCrohn DiseaseAdministration, OralEstradiolLungVital Capacity