AsthmaAnti-Asthmatic AgentsAsthma, Exercise-InducedAdministration, InhalationPeak Expiratory Flow RateForced Expiratory VolumeAsthma, OccupationalBronchodilator AgentsBronchial HyperreactivityRespiratory SoundsAllergensAdrenal Cortex HormonesHypersensitivityHypersensitivity, ImmediateRespiratory Function TestsRhinitisSeverity of Illness IndexAlbuterolMethacholine ChlorideRhinitis, Allergic, PerennialSpirometryQuestionnairesBudesonidePrevalenceEosinophilsBeclomethasoneBronchiLeukotriene AntagonistsNebulizers and VaporizersLungSkin TestsTreatment Outcome