1. Albrecht, C., 2006. Overview of the South African Cancer Research Environment as a Basis for Discussions Concerning the Activation of CARISA (Cancer Research Initiative of South Africa) Report of the South African Cancer Association. .
2. Effects of PCBs, p, p′-DDT, p, p′-DDE, HCB and β-HCH on thyroid function in preschool children;Alvarez-Pedrerol;Occup. Environ. Med.,2008
3. ATSDR, 2000. Toxicological Profile for Endosulfan. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service, and online at http://www.atsdr.cdc.gov/ToxProfiles/tp41.pdf.
4. ATSDR, 2002a. Toxicological Profile for DDT, DDE, DDD. US Department of Health and Human Services, Public Health Service, Atlanta, GA. http://www.atsdr.cdc.gov/toxprofiles/tp35-p.pdf.
5. ATSDR, 2002b. Public Health Statement Aldrin and Dieldrin. CAS#: Aldrin 309-00-2. Dieldrin 60-57-1. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service. http://www.atsdr.cdc.gov/toxprofiles/tp1-c1-b.pdf.