1. Institute of Medicine. Clinical Practice Guidelines: Directions for a New Program. Washington, DC: Institute of Medicine; 1990
2. National Heart, Lung, and Blood Institute. National Asthma Education and Prevention Program Guidelines for the Diagnosis and Management of Asthma. Bethesda, MD: National Institutes of Health; 1991
3. National Heart, Lung, and Blood Institute. National Asthma Education and Prevention Program Expert Panel Report 2: Guidelines for the Diagnosis and Management of Asthma. Bethesda, MD: National Institutes of Health; 1997
4. National Heart, Lung, and Blood Institute. National Asthma Education and Prevention Program Expert Panel Report 3: Guidelines for the Diagnosis and Management of Asthma. Bethesda, MD: National Institutes of Health; 2007
5. Rachelefsky GS, Shapiro GG, Bergman D, et al. Pediatric Asthma: Promoting Best Practice. Milwaukee, WI: American Academy of Allergy, Asthma, and Immunology; 1999