1. Asthma and Allergy Foundation of America. Asthma facts and figures. Available at: http://www.aafa.org/display.cfm?id=9&sub=42. Accessed June 1, 2014.
2. Racial and income disparities in childhood asthma in the United States;Akinbami;Ambul Pediatr,2002
3. Asthma-related school absenteeism and school concentration of low-income students in California;Meng;Prev Chronic Dis,2012
4. School functioning of US children with asthma;Fowler;Pediatrics,1992
5. Healthier students are better learners: a missing link in school reforms to close the achievement gap;Basch;J Sch Health,2011