The relationship between blood-lead conc
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Richard Lansdown; William Yule; Marie-Anne Urbanowicz; Jan Hunter
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Article
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1986
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Springer-Verlag
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English
โ 413 KB
This study replicates an earlier one carried out in London in which an association was found between lead and intelligence, reading and spelling In the present study 194 children living near an urban motorway were given the same battery of tests as well as an extensive family interview to determine