AlbuterolBronchodilator AgentsNebulizers and VaporizersCommerceIpratropiumAdministration, InhalationAdrenergic beta-2 Receptor AgonistsInhalation SpacersRacepinephrineMetered Dose InhalersAdrenergic beta-AgonistsFemininityBronchial SpasmOzone DepletionAsthmaChlorofluorocarbonsAerosol PropellantsMarketing of Health ServicesGene DosageDosage Compensation, GeneticBronchoconstrictionBedding and LinensRespiratory Therapy Department, HospitalAerosolsBronchiolitisForced Expiratory VolumeDrug IncompatibilityDosage FormsForced Expiratory Flow RatesAnti-Asthmatic AgentsReceptors, Adrenergic, beta-2Equipment DesignBeclomethasoneDouble-Blind MethodUnited StatesMasksModels, AnatomicPulmonary Disease, Chronic ObstructiveMyasthenic Syndromes, CongenitalAirway ResistanceRespiratory TherapyEquipment SafetyBronchial Provocation TestsStereoisomerismManikinsRespiratory Function TestsTreatment OutcomeDrug Administration ScheduleDecision MakingDrug CombinationsPropanolaminesBudesonideCost-Benefit AnalysisDose-Response Relationship, DrugIntubation, IntratrachealHydrocarbons, FluorinatedHealth Knowledge, Attitudes, PracticePeak Expiratory Flow RateQuestionnairesMissouriGlucocorticoidsSmokingAndrostadienesSocioeconomic FactorsCross-Sectional StudiesDrug Therapy, CombinationRespiration, ArtificialPlethysmographyRespiratory SoundsAdrenal Cortex HormonesSpirometryAnesthesia, InhalationTracheaRespiratory MechanicsBronchiLungVital CapacityEstrenes