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ArticlesCopyright © 1975 by American Association for the Advancement of Science
Growth, behavior, and brain catecholamines in lead-exposed neonatal rats: a reappraisal
Daily oral administration of lead to newborn rats has no adverse effect on their body growth. Lead-treated rats were more active than age-matched controls. Endogenous levels of brain dopamine were unchanged, whereas norepinephrine was increased, suggesting a possible relationship between lead exposure during earliest developmental periods, increased motor activity, and brain norepinephrine, and not brain dopamine as previously postulated.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)