
Keywords: اصلاح کننده های لوکوترین; Antiasthma agents; Asthma control; Asthma cost; Asthma impairment; Asthma risk; Asthma guidelines; Controller medication; Persistent asthma; Severe asthma; CI; Confidence interval; ED; Emergency department; GERD; Gastroesophageal reflux disease; ICD-9; Th