1. U.S. Environmental Protection Agency. Consumer Confidence Reports (CCR); Annual drinking water quality reports for Michigan. Washington, D.C.; 2016. Available at https://ofmpub.epa.gov/apex/safewater/f?p=136:103:::NO:RP,103:P103_STATE:MI . Accessed April 2 2016.
2. U.S. Agency for Toxic Substances and Disease Registry (ATSDR). ToxGuide for lead Pb CAS#7439-92-1. Atlanta, GA: U.S. Department of Health and Human Services: Public Health Service Agency for Toxic Substances and Disease Registry; 2007.
3. Schwartz J. Beyond LOEL’s, p values, and vote counting: methods for looking at the shapes and strengths of associations. NeuroToxicology. 1992; 14(2-3): 237–46.
4. Lanphear BP, Dietrich K, Auinger P, Cox C. Cognitive deficits associated with blood lead concentrations <10 microg/dL in U.S. children and adolescents. Public Health Rep. 2000; 115(6): 521–9.
5. Schnaas L, Rothenberg SJ, Perrom E, Martinez S, Hernandez C, Hernandez RM. Temporal pattern in the effect of postnatal blood lead level on intellectual development of young children. Neurotoxicol Teratol. 2000; 22(6): 805–10.