PMC5923194_01
Estimations of mixed solvent exposure. In this graph, horizontal lines are representing minimum and maximum value of mixed solvent index, and 'X' are showing mean values of mixed solvent index. The reference level of the mixed solvent index is 1.0
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Fig1
As for the level of exposure to mixed organic solvents at the painting department after his return to work, the mean values of the mixed solvent index were above the standard value during most periods (Fig. 1).
Brain magnetic resonance images (MRI) showed normal anatomy of brain without any mass or atrophic lesions. a T1-weighted axial image. b T2-weighted axial image. c T2-weighted coronal image. d T2-FLAIR axial image
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PMC5923194_01_40557_2018_232_Fig2_HTML.jpg
Fig2
Although only It was confirmed by medical record, MRI performed in 2002 and 2006 also showed no notable findings, Again, according to his past medical records, the electroencephalogram (EEG) tests conducted in 2002 and 2006 showed normal findings as well (Fig. 2).