The burden of asthma in the Chicago community fifteen years after the availability of national asthma guidelines: the design and initial results from the CHIRAH study

Weiss, K. B.; Shannon, J. J.; Sadowski, L. S.; Sharp, L. K.; Curtis, L.; Lyttle, C. S.; Kumar, R.; Shalowitz, M. U.; Weiselberg, L.; Catrambone, C. D.; Evans, A.; Kee, R.; Miller, J.; Kimmel, L.; Grammer, L. C.

Contemp Clin Trials. 2009 May 28; 30(3):246-55

Read More on PubMed