Lead and delta-aminolaevulinic acid dehydratase levels in mentally retarded children and in lead-poisoned suckling rats
Millar, J.A.; Battistini, V.; Cumming, R.L.; Carswell, F.; Goldberg, A.
Lancet 2(7675): 695-698
1970
ISSN/ISBN: 0140-6736 PMID: 4195933 Document Number: 27366
In mentally retarded children there was a negative correlation (r = -0.81) between blood Pb concn. and blood delta -aminolaevulinic acid dehydratase activity; significant decreases in enzyme activity occurred with blood Pb concn. of 20-40 mu g/100 ml.
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