Figure 1
From: Serum PCB levels and congener profiles among teachers in PCB-containing schools: a pilot study

Serum concentrations of light congeners (PCB 6-74), teachers compared to MGH referent values.
From: Serum PCB levels and congener profiles among teachers in PCB-containing schools: a pilot study
Serum concentrations of light congeners (PCB 6-74), teachers compared to MGH referent values.