1. Akinbami LJ, Moorman JE, Bailey C et al (2012a) Trends in asthma prevalence, health care use, and mortality in the United States, 2001–2010. NCHS data brief, no 94. National Center for Health Statistics, Hyattsville, MD
2. Akinbami LJ, Moorman JE, Liu, X (2012) Asthma prevalence, health care use, and mortality: United States, 2005–2009. National Health Statistics Reports, no 32. National Center for Health Statistics, Hyattsville, MD
3. Asthma and Allergy Foundation of America. Asthma facts and figures. Available at
http://www.aafa.org/display.cfm?id=8&sub=42
. Accessed 15 Sept 12
4. BedirhanÜstün T, Chatterji S, Mechbal A, Murray C, WHS Collaborating Groups (2003) Health systems performance assessment: debates, methods and empiricism. In: Murray C, Evans D (eds) The world health surveys. Health systems performance assessment: debates, methods and empiricism. World Health Organization, Geneva, pp 797–808
5. Busse WW (2010) The national institutes of allergy and infectious diseases networks on asthma in inner-city children: an approach to improved care. J Allergy Clin Immunol 125(3):529–537