1. National trends in asthma visits and asthma pharmacotherapy, 1978-2002
Randall S. Stafford, MD, PhDa, Jun Ma, MD, PhD, RDa, Stan N. Finkelstein, MDb, Kenan Haver, MDc, Iain Cockburn, PhDd 
Journal of Allergy and Clinical Immunology 
Volume 111, Issue 4, Pages (April 2003)
DOI: /mai
Copyright © 2003 Mosby, Inc. Terms and Conditions

2. Fig. 1
National trends in the number of office-based visits by patients with asthma, according to IMS HEALTH's NDTI for January 1978 through June Numbers for 2002 are estimates (E) based on data for January through June 2002.
Journal of Allergy and Clinical Immunology  , DOI: ( /mai )
Copyright © 2003 Mosby, Inc. Terms and Conditions

3. Fig. 2
National trends in the aggregate prescription rates of long-term controllers, quick relievers, and xanthines for asthma treatment, according to IMS HEALTH's NDTI for January 1978 through June Numbers for 2002 are estimates (E) based on data for January through June 2002.
Journal of Allergy and Clinical Immunology  , DOI: ( /mai )
Copyright © 2003 Mosby, Inc. Terms and Conditions

4. Fig. 3
National trends in the use of inhaled corticosteroids, cromones, long-acting β2-agonists, and leukotriene modifiers for asthma treatment, according to IMS HEALTH's NDTI for January 1978 through June Numbers for 2002 are estimates (E) based on data for January through June 2002.
Journal of Allergy and Clinical Immunology  , DOI: ( /mai )
Copyright © 2003 Mosby, Inc. Terms and Conditions

5. Fig. 4
National trends in the use of short-acting β2-agonists, systemic corticosteroids, and anticholinergics for asthma treatment, according to IMS HEALTH's NDTI for January 1978 through June Numbers for 2002 are estimates (E) based on data for January through June 2002.
Journal of Allergy and Clinical Immunology  , DOI: ( /mai )
Copyright © 2003 Mosby, Inc. Terms and Conditions