Blood serum Urine   This study Reference value This study Reference value   Concentration (mg /L) Zn 1.130 ± 0.0 15 35.4-88.7 2.250 ± 0.006 0.266-0.846 Cu 0.7473 ± 0.011 0.80-1.60 0.0288 ± 0.004 0.0042-0.050 Mg 0.8700 ± 0.016 16.00-255.0 8.150 ± 0.005 nf Se 0.2301 ± 0.004 0.580-2.340 0.0991 ± 0.006 0.001-0.20   Concentration (μg /L) Al 14.95 ± 0.20 0.3-7.5 122 ± 1.57 1-3 As 42.32 ± 1.43 0.2-6.2 38.62 ± 3.66 10-50 Cr 30.09 ± 1.01 0.02-0.35 17.9 ± 2.46 nf Pb nd 1.5-3.0 1.18 ± 0.003 nf Ni nd 1.0-28.0 34.42 ± 1.34 nf Cd nd 0.1-1.10 0.12 ± 0.02 nf Mo nd nf 127.9 ± 7.63 nf Mn nd 1.5-22.0 nd nf Sb nd nf nd nf U nd nf nd nf nf=not found nd=Not detected

Table 2: Elements concentration (μg L-1) and standard deviation in blood serum and urine of an autistic child compared to reference values [106,107].

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