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IQ and Blood Lead from 2 to 7 Years of Age: Are the Effects in Older Children the Residual of High Blood Lead Concentrations in 2-Year-Olds?
Increases in peak blood lead concentrations, which occur at 18–30 months of age in the United States, are thought to result in lower IQ scores at 4–6 years of age, when IQ becomes stable and measurable. Data from a prospective study conducted in Boston suggested that blood lead concentrations at 2 y...
| Autores principales: | , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
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National Institue of Environmental Health Sciences
2005
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1257553/ https://www.ncbi.nlm.nih.gov/pubmed/15866769 http://dx.doi.org/10.1289/ehp.7625 |