1. ATSDR, 1999. Toxicological Profile for Uranium (Update). US Department of Health and Human Services, Agency for Toxic Substances and Disease Registry, Atlanta, GA, USA.
2. BEIR IV, 1988. Health Effects of Radon and Other Internally Deposited Alpha-Emitters. National Academy Press, Washington, DC.
3. Occurrence of uranium in drinking water in the US;Cothern;Health Phys.,1983
4. EPA (US Environmental Protection Agency), 2000. National Primary Drinking Water Regulations; Radionuclides. Final Rule. Federal Register 76708–76753, 7 December 2000.
5. Assessing potential risks from exposure to natural uranium in well water;Hakonson-Hayes;J. Environ. Radioactivity,2002