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Figure 5: Result control group* (zinc - 502 ppm, manganese 7.2 ppm). *Result of metal concentrations in tooth sample of one subject in the control group is displayed, for the sake of convenience

Figure 5: Result control group* (zinc - 502 ppm, manganese 7.2 ppm). *Result of metal concentrations in tooth sample of one subject in the control group is displayed, for the sake of convenience