1. National Center for Health Statistics. US Census Bureau. Comparison of the prevalence of uninsured persons from the National Health Interview Survey and the Current Population Survey. 2014. http://www.cdc.gov/nchs/data/nhis/health_insurance/NCHS_CPS_Comparison092014.pdf/. Accessed November 17, 2015.
2. Kaiser Family Foundation. Key facts about the uninsured population. 2013. http://kff.org/uninsured/fact-sheet/key-facts-about-the-uninsured-population/. Accessed date November 17, 2015.
3. Illinois Association of Free and Charitable Clinics. Definitions of free and charitable clinics. http://www.illinoisfreeclinics.org/clinic-search/definition-free-and-charitable-clinics/. Accessed November 17, 2015.
4. Illinois Association of Free and Charitable Clinics. Caring for patients, maximizing resources and responding to changes in health care: 2014 statewide survey of free and charitable clinics. 2014. http://www.illinoisfreeclinics.org/sites/www.illinoisfreeclinics.org/files/assets/IAFCC%202014%20Statewide%20Survey%20Report%20FINAL%20SPREADS.pdf/. Accessed November 17, 2015.
5. Teaching health centers: a new paradigm in graduate medical education;Chen;Acad Med,2012