Factors associated with asthma exacerbations during a long-term clinical trial of controller medications in children.
Covar RA, Szefler SJ, Zeiger RS, Sorkness CA, Moss M, Mauger DT, Boehmer SJ, Strunk RC, Martinez FD, Taussig LM. Factors associated with asthma exacerbations during a long-term clinical trial of controller medications in children. J Allergy Clin Immunol. 2008 Oct; 122(4):741-747.e4.