Fig. 4
Temporal patterns of relative risks of (A) total, (B) cardiovascular, (C) respiratory, and (D) cancer mortality for inter-quartile increases in PM2.5 and four PM2.5 components (4.54, 0.33, 1.67, 0.76, and 0.86 μg/m3 for PM2.5, EC, OC, sulfate, and nitrate, respectively) from lag 0 through lag 14 from the constrained distributed lag models in the 5-county Denver metropolitan area from 2003 through 2007