AlbuterolAerosol PropellantsChlorofluorocarbonsMetered Dose InhalersHydrocarbons, FluorinatedBronchodilator AgentsNebulizers and VaporizersAdministration, InhalationHeparitin SulfateAsperger SyndromeIpratropiumAdrenergic beta-2 Receptor AgonistsInhalation SpacersRacepinephrineHydrofluoric AcidAdrenergic beta-AgonistsBeclomethasoneAutistic DisorderBronchial SpasmAsthmaDermatan SulfateGram-Negative Facultatively Anaerobic RodsOzone DepletionAnti-Asthmatic AgentsSulfatesHeparan Sulfate ProteoglycansPowdersForced Expiratory VolumeEquipment DesignKeratan Sulfate