Fig. 1
From: Common environmental chemicals do not explain atopy contrast in the Finnish and Russian Karelia
Mean blood concentrations (95 % CI) of 11 chemicals (6 PCBs together) in atopic and non-atopic Finnish children (n = 50, β-HCH n = 30) as well as atopic and non-atopic Russian children (n = 50, β-HCH n = 30)