CoughAsthmaWhooping CoughAntitussive AgentsAnti-Asthmatic AgentsRespiratory SoundsAdministration, InhalationForced Expiratory VolumePeak Expiratory Flow RateCapsaicinBronchial HyperreactivityAsthma, Exercise-InducedBronchodilator AgentsBronchitisRespiratory Function TestsCitric AcidCodeineAllergensAdrenal Cortex HormonesAsthma, OccupationalMethacholine ChlorideRhinitisSputumHypersensitivityReflexSpirometryChronic DiseaseHypersensitivity, ImmediateExpectorantsVital CapacityBronchiLungRespiratory Tract DiseasesAlbuterolRespiratory Tract InfectionsCommon ColdBeclomethasoneBronchoconstrictor AgentsRhinitis, Allergic, PerennialPrevalenceSeverity of Illness IndexBordetella pertussisNebulizers and VaporizersAerosolsQuestionnairesLeukotriene AntagonistsSkin TestsBudesonideRespiratory SystemBronchoconstrictionEosinophilsBronchoscopyNasal DecongestantsGastroesophageal RefluxRespiratory HypersensitivityAirway ObstructionExhalationGuaifenesinBronchial Provocation TestsDouble-Blind MethodRespiration DisordersMucus