2[2]American Thoracic Society.Proceedings of the ATS workshop on refractory asthma:current understanding,recommendations,and unanswered questions[J].Am J Respir Crit Care Med,2000,162(6):2341-2351.
3[5]Harding SM.Gastroesophageal reflux as an asthma trigger:acid stress[J].Chest,2004,126(5):1398-1399.
4[6]Kiljander TO,Laitinen JO.The prevalence of gastroeseophageal reflux disease in adult asthmatics[J].Chest,2004,126(5):1490-1494.
5[8]ten Brinke,Zwinderman AH,Sterk PJ,et al."Refractory" eosinophilic airway inflammation in severe asthma:effct of parenteral corticosteroids[J].Am J Respir Crit Care Med,2004,170 (6):601-605.
6[11]Tan WC.Difficult-to-treat asthma:clinical presentation and practical approach[J].Med Progress SEA,2001,28(9):27-33.
