Figure 4

Trace metals associated with ER divided into categories: 0, did not receive an ESA for 6Â months, below and greater than the median non-zero value. Solid line represents the mean value. Trace metal symbol definitions provided in methods.

Trace metals associated with ER divided into categories: 0, did not receive an ESA for 6Â months, below and greater than the median non-zero value. Solid line represents the mean value. Trace metal symbol definitions provided in methods.