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Georgia. Department of Public Health. Environmental Health Branch. Chemical Hazards Program (2011). Radon and public health, 2011. Retrieved from https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bp780-b-pm1-b2011-br3-belec-p-btext

Georgia. Department of Public Health. Environmental Health Branch. Chemical Hazards Program. "Radon and public health, 2011." 2011. October 2, 2026. https://dlg.galileo.usg.edu/do:dlg_ggpd_s-ga-bp780-b-pm1-b2011-br3-belec-p-btext.