1. Centers for Disease Control and Prevention. Lead. https://www.cdc.gov/nceh/lead/. Accessed September 24 2018.
2. Fukum F Simpson E McAffee K. Illinois lead program 2015 annual surveillance report. http://www.dph.illinois.gov/sites/default/files/publications/lead-surveillance-report-2015-122116.pdf. Accessed October 2 2018.
3. Centers for Disease Control and Prevention. Sources of Lead. https://www.cdc.gov/nceh/lead/tips/sources.htm. Accessed October 2 2018.
4. Illinois General Assembly. Public Act 100-0723. http://www.ilga.gov/legislation/publicacts/fulltext.asp?Name=100-0723&GA=100. Accessed October 2 2018.
5. Deficits in Psychologic and Classroom Performance of Children with Elevated Dentine Lead Levels