Griffiths, Charles; Simon, Nathalie B.; Woodruff, Tracey J. - National Center for Environmental Economics (NCEE), … - 2009
In this study, we examine the effects of chronic exposure to air pollution on asthma exacerbation through a cross-sectional analysis of asthma prescriptions for quick-relief medications at the 5 digit zip code level in California. Using information on the use of maintenance therapies by each...