McConnell, Rob, Berhane, Kiros, Gilliland, Frank, London, Stephanie J, Islam, Talat, Gauderman, James W, Avol, Edward, Margolis, Helene G, and Peters, John M. 2002.
Asthma in exercising children exposed to ozone: a cohort study. 359, no. 9304. Lancet: 386-91.