Hair DeSoto & Hitlan ASD 82 Examine mercury Significant relation [44] Controls 55 levels in hair and does between J Neurol blood the blood levels of ASD mean 7.2 y mercury and ASD Controls mean with ASD having 7.8 y higher blood mercury levels Hair Blaurock-Busch et ASD 44 Assessed the levels Elevated hair al., [45] of ten toxic metals concentrations were Maedica (Buchar) 3-9 y and essential noted for mercury in elements in hair autism vs. controls samples of children with autism Hair Hodgson et al. [46] ASD 27 Investigated hair Mercury levels were Exp Biol Med Controls 27 mercury levels in markedly elevated in (Maywood) autism and controls the hair of autistic ASD mean 5.3 y subjects vs. control Controls mean subjects 5.5 y Hair Obrenovich et al. ASD 22 Hair toxic metals in Significant alteration [47] Controls 39 autism vs. controls in deposition of Biol Elem several heavy metal Res <6 y species, including mercury in hair samples between the groups Hair Al-Ayadhi 2005 ASD 77 Hair metals in Higher levels of [48] Controls 77 autism vs. controls mercury in ASD vs. Neurosciences controls (Riyadh) <14 y Hair Fido & Al-Saad ASD 40 Toxic metals in the Children with autism [49] Controls 40 hair of children with had significantly Autism autism vs. controls (p<0.001) higher 4-8 y concentration levels of lead,
Hair DeSoto & Hitlan [44] J Neurol ASD 82 Controls 55 ASD mean 7.2 y Controls mean 7.8 y Examine mercury levels in hair and blood Significant relation does between the blood levels of mercury and ASD with ASD having higher blood mercury levels Hair Blaurock-Busch et al., [45] Maedica (Buchar) ASD 44 3-9 y Assessed the levels of ten toxic metals and essential elements in hair samples of children with autism Elevated hair concentrations were noted for mercury in autism vs. controls Hair Hodgson et al. [46] Exp Biol Med (Maywood) ASD 27 Controls 27 ASD mean 5.3 y Controls mean 5.5 y Investigated hair mercury levels in autism and controls Mercury levels were markedly elevated in the hair of autistic subjects vs. control subjects Hair Obrenovich et al. [47] Biol Elem Res ASD 22 Controls 39 <6 y Hair toxic metals in autism vs. controls Significant alteration in deposition of several heavy metal species, including mercury in hair samples between the groups Hair Al-Ayadhi 2005 [48] Neurosciences (Riyadh) ASD 77 Controls 77 <14 y Hair metals in autism vs. controls Higher levels of mercury in ASD vs. controls Hair Fido & Al-Saad [49] Autism ASD 40 Controls 40 4-8 y Toxic metals in the hair of children with autism vs. controls Children with autism had significantly (p<0.001) higher concentration levels of lead,
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