AlbuterolBronchodilator AgentsNebulizers and VaporizersAdministration, InhalationIpratropiumAdrenergic beta-2 Receptor AgonistsInhalation SpacersRacepinephrineMetered Dose InhalersAdrenergic beta-AgonistsBronchial SpasmOzone DepletionAsthmaChlorofluorocarbonsAerosol PropellantsBronchoconstrictionRespiratory Therapy Department, HospitalAerosolsForced Expiratory VolumeBronchiolitisDrug IncompatibilityAnti-Asthmatic AgentsDouble-Blind MethodForced Expiratory Flow RatesEquipment DesignReceptors, Adrenergic, beta-2BeclomethasoneMasksModels, AnatomicDrug Administration SchedulePulmonary Disease, Chronic ObstructiveAirway ResistanceMyasthenic Syndromes, CongenitalBronchial Provocation TestsTreatment OutcomeRespiratory TherapyStereoisomerismEquipment SafetyManikinsRespiratory Function TestsDrug CombinationsPropanolaminesBudesonideIntubation, IntratrachealHydrocarbons, FluorinatedPeak Expiratory Flow RateTime FactorsAndrostadienesGlucocorticoidsMissouriDrug Therapy, CombinationRadiation DosageLethal Dose 50Respiration, ArtificialLungAdrenal Cortex HormonesRespiratory SoundsPlethysmographySpirometryAnesthesia, InhalationBronchiRespiratory MechanicsTracheaPlacebosVital CapacityPyrrolidinonesEstrenesAdministration, OralReceptors, Adrenergic, beta