Increased levels of outdoor air pollutants are associated with reduced bronchodilation in children with asthma.
Hern?ndez-Cadena L, Holguin F, Barraza-Villarreal A, Del R?o-Navarro BE, Sienra-Monge JJ, Romieu I. Increased levels of outdoor air pollutants are associated with reduced bronchodilation in children with asthma. Chest. 2009 Dec; 136(6):1529-1536.