1. National Asthma Education and Prevention Program, Expert Panel Report: Guidelines for the Diagnosis and Management of Asthma, National Institutes of Health Pub. No. 91-3642, Bethesda, MD, 1991.
2. National Asthma Education and Prevention Program, Expert Panel Report 2: Guidelines for the Diagnosis and Management of Asthma, National Institutes of Health Pub. No. 97-4051, Bethesda, MD, 1997.
3. The British Guidelines on Asthma Management;1995 Review and Position Statement, Thorax,1997
4. Canadian Asthma Consensus Conference Summary of Recommendations
5. Treatment of acute asthma