AlbuterolAsthmaAnti-Asthmatic AgentsAsthma, Exercise-InducedAdministration, InhalationPeak Expiratory Flow RateAsthma, OccupationalForced Expiratory VolumeBronchial HyperreactivityBronchodilator AgentsRespiratory SoundsAllergensAdrenal Cortex HormonesHypersensitivityHypersensitivity, ImmediateRespiratory Function TestsRhinitisMethacholine ChlorideRhinitis, Allergic, PerennialSpirometryBudesonideEosinophilsBeclomethasoneBronchiLeukotriene AntagonistsNebulizers and VaporizersSkin TestsSeverity of Illness IndexLungPrevalenceStatus AsthmaticusBronchoconstrictor AgentsAirway Remodeling