1. Centers for Disease Control and Prevention. National surveillance of asthma: United States, 2001-2010. http://www.cdc.gov/asthma/asthmadata.htm. Accessed May 1, 2015.
2. American Lung Assoication. Trends in asthma morbidity and mortality. 2012. http://www.lung.org/finding-cures/our-research/epidemiology-and-statistics-rpts.html. Accessed May 1, 2015.
3. Childhood Asthma Hospitalizations in the United States, 2000-2009;Hasegawa;J Pediatr,2013
4. Trends in admissions for pediatric status asthmaticus in New Jersey over a 15-year period;Hartman;Pediatrics,2010
5. Expert Panel Report 3 (EPR-3): Guidelines for the diagnosis and management of asthma-summary report 2007;J Allergy Clin Immunol,2007