Letter to the editorConsistency of sputum eosinophilia in difficult-to-treat asthma: A 5-year follow-up study
References (10)
Asthma: defining of the persistent adult phenotypes
Lancet
(2006)- et al.
Asthma exacerbations and sputum eosinophil counts: a randomised controlled trial
Lancet
(2002) - et al.
Airway inflammation assessed by invasive and noninvasive means in severe asthma: eosinophilic and noneosinophilic phenotypes
J Allergy Clin Immunol
(2006) - et al.
Chronic sinusitis in severe asthma is related to sputum eosinophilia
J Allergy Clin Immunol
(2002) - et al.
Factors associated with persistent airflow limitation in severe asthma
Am J Respir Crit Care Med
(2001)
There are more references available in the full text version of this article.
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I.H.v.V. received an unrestricted educational grant from AstraZeneca.
Disclosure of potential conflict of interest: E. H. Bel received an unrestricted grant from GlaxoSmithKline, receives research support from Cambridge Antigen Technology, has provided legal consultation/expert witness testimony for PDL Biopharma and Schering-Plough, and is a member of the editorial board of the American Journal of Respiratory and Critical Care Medicine (AJRCCM) for the American Thoracic Society. The rest of the authors have declared that they have no conflict of interest.
Copyright © 2009 American Academy of Allergy, Asthma & Immunology. Published by Mosby, Inc. All rights reserved.