Hair element content in learning disabled children
1977
Pihl, R.O. | Parkes, M.
Extract: Hair samples from 31 learning disabled and 22 normal children were analyzed for content of 14 elements. Significant group differences were determined and a discriminant function was completed which separated the groups with 98 percent accuracy. Elevated lead and cadmium content in the learning disabled group is viewed as being of particular importance.
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