1. Current asthma prevalence;National Health Interview Survey,2005
2. Healthy People 2010 Midcourse Review;Department of Health and Human Services,2007
3. Trends in childhood asthma: prevalence, health care utilization, and mortality;Akinbami;Pediatrics,2002
4. Condition of education;National Center for Education Statistics,2001
5. Expert Panel Report 3. Guidelines for the diagnosis and management of asthma. National Heart, Lung, and Blood Institute. US Department of Health and Human Services. Washington. 2007.