Figure 3.
(a) Observed response pattern for ET-1 expressed as deviation of fraction of control mean from 1 ([experimental group mean/control mean] − 1); (b) Residual error of full MART model based on all atmospheric components; (c) Residual error of MART predictions based on effect of SO2 alone; (d) Residual error of MART predictions based on effect of NO2 alone; (e) Residual error of MART predictions based on effect of CO alone; and (f) Residual error of MART predictions based on joint effects of SO2, NO2, and CO.