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Lifetime exposure to environmental lead and children\u2019s intelligence at 11\u201313 years: the Port Pirie cohort study. BMJ. 1996;312(7046):1569\u201375. https:\/\/doi.org\/10.1136\/bmj.312.7046.1569.","DOI":"10.1136\/bmj.312.7046.1569"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11. Jusko TA, Henderson CR, Lanphear BP, Cory-Slechta DA, Parsons PJ, Canfield RL. Blood lead concentrations &lt; 10 microg\/dL and child intelligence at 6 years of age. Environ Health Perspect. 2008;116(2):243\u20138. https:\/\/doi.org\/10.1289\/ehp.10424.","DOI":"10.1289\/ehp.10424"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12. Min MO, Singer LT, Kirchner HL, Minnes S, Short E, Hussain Z, et al. Cognitive development and low-level lead exposure in poly-drug exposed children. Neurotoxicol Teratol. 2009;31(4):225\u201331. https:\/\/doi.org\/10.1016\/j.ntt.2009.03.002.","DOI":"10.1016\/j.ntt.2009.03.002"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. 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