1. 1. Centers for Disease Control and Prevention . Atlanta, Ga: Centers for Disease Control and Prevention, National Center on Chronic Disease Prevention and Health Promotion; 2002 . Available at: http://www.cdc.gov/HealthyYouth/asthma/index.htm#2. Accessed March 7, 2006.
2. 2. National Association of School Nurses . Position statement: rescue medication in school ; 2004 . Available at: http://www.nasn.org/Default.aspx?tabid=243. Accessed March 7, 2006.