1. Bousquet J, Jeffery PK, Busse WW, Johnson M, Vignola AM. Asthma from bronchoconstriction to airways inflammation and remodeling. Am J Respir Crit Care Med. 2000;161:1720–45.
2. Lai C, Beasley R, Crane J, Foliaki S, Shah J, Weiland S. Global variation in the prevalence and severity of asthma symptoms: phase three of the International Study of Asthma and Allergies in Childhood (ISAAC). Thorax. 2009;64:476–83.
3. Akinbami LJ. The Stat of childhood asthma, United States, 1980–2005. Advance data from vita and health statistics; no 381. Hyattsville, MD: National Center for Health Statistics; 2006.
4. Moorman JE, Rudd RA, Johnson CA, King M, Minor P, Bailey C, Scalia MS, Akinbami LJ. National surveillance for asthma—United States, 1980–2004. Department of Health and Human Services, Centers for Disease Control and Prevention; 2007.
5. National Heart, Lung, and Blood Institute. Morbidity and mortality: chart book on cardiovascular, lung, and blood diseases. Bethesda, Md: National Institutes of Health; 2009.