Can we predict fall asthma exacerbations? Validation of the seasonal asthma exacerbation index

Heather E. Hoch, Agustin Calatroni, Joseph B. West, Andrew H. Liu, Peter J. Gergen, Rebecca S. Gruchalla, Gurjit K. Khurana Hershey, Carolyn M. Kercsmar, Haejin Kim, Carin I. Lamm, Melanie M. Makhija, Herman E. Mitchell, Stephen J. Teach, Jeremy J. Wildfire, William W. Busse, Stanley J. Szefler