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Science 14 October 1977:
Vol. 198. no. 4313, pp. 204 - 206
DOI: 10.1126/science.905825

Articles

Science, Vol 198, Issue 4313, 204-206
Copyright © 1977 by American Association for the Advancement of Science


articles

Hair element content in learning disabled children

RO Pihl and M Parkes

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 per cent accuracy. Elevated lead and cadmium content in the learning disabled group is viewed as being of particular importance.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)