AsthmaAnti-Asthmatic AgentsStatus AsthmaticusBronchodilator AgentsPeak Expiratory Flow RateAdministration, InhalationAirway RemodelingAllergensForced Expiratory VolumeBeclomethasoneBronchial HyperreactivityAlbuterolAdrenal Cortex HormonesChronic DiseaseBronchiCupressaceaeEosinophilsLeukotriene AntagonistsNebulizers and VaporizersOvalbuminAdrenergic beta-AgonistsFraxinusRespiratory SoundsLungPyroglyphidaeBudesonideSkin TestsAerosolsRespiratory Function TestsBetulaHypersensitivityAcute DiseaseGlucocorticoidsMethacholine ChlorideEosinophiliaBronchoalveolar Lavage FluidWeatherPuerto RicoMitesAsthma, Exercise-InducedPulmonary EosinophiliaSpirometrySeverity of Illness IndexHypersensitivity, ImmediateTerbutalineHederaRhinitisPrevalenceGoblet CellsRhinitis, Allergic, PerennialDisease Models, AnimalEthanolaminesAnti-Inflammatory AgentsDouble-Blind MethodAsthma, OccupationalParisPollenBronchial Provocation TestsCromolyn SodiumNitrogen DioxideBronchitisAir Pollution, IndoorTheophyllineBronchoconstrictor AgentsPrednisoloneRadioallergosorbent TestInflammationImmunoglobulin EMoxisylyteAir PollutantsQuestionnairesAir PollutionMetaproterenolClinical Trials as TopicSputumRespiratory MucosaTime FactorsRespiratory HypersensitivityBronchoconstrictionVital CapacityPregnenedionesAirway ObstructionMice, Inbred BALB CLeukocyte CountAnti-Allergic AgentsEmergency Service, HospitalRisk FactorsCoughMoscowSeasonsInterleukin-13HospitalizationInterleukin-5QuinolinesAirway ResistanceIschemic Attack, TransientMuscle, SmoothAir IonizationCross-Sectional StudiesAntigens, Dermatophagoides