Figure 1From: A key role for an impaired detoxification mechanism in the etiology and severity of autism spectrum disordersMean levels of A) mercury (μg/L), B) lead (μg/L), C) GST (μmol/min/ml) and D) vitamin E (nmol/L) of the autistic groups compared with age- and sex-matched controls. The mean value for each group is designated by a line.Back to article page