1. National Asthma Education and Prevention Program Expert Panel Report 3: Guidelines for the Diagnosis and Management of Asthma. U.S. Department of Health and Human Services, National Institutes of Health, National Heart, Lung and Blood Institute (NIH Publication No. 08-5846) October 2007.
2. Surveillance for asthma–United States, 1980–1999;Mannino;MMWR Surveill Summ,2002
3. The health economics of asthma and rhinitis. I. Assessing the economic impact;Weiss;J Allergy Clin Immunol,2001
4. The asthma epidemic;Waltraud;N Engl J Med,2006
5. The mechanisms, diagnosis, and management of severe asthma in adults;Holgate;Lancet,2006