References
- Ahlbom A, Day N, Feychting M, Roman E, Skinner J, Dockerty J, Linet M, . 2000. A pooled analysis of magnetic fields and childhood leukaemia. Br J Cancer. 83 5: 692–698.
- Bulgarian National Cancer Registry. 2009. Cancer incidence in Bulgaria 2007. In: Valerianova Z, Vukov M, Dimitrova N. editors. Bulgarian National Cancer Registry. Sofia: AVIS-24 LtdVol. XVIII.
- Electric Power Research Institute (EPRI) (2010). TransExpo: International Study of Childhood Leukemia and Residences Near Electrical Transformer Rooms. Available at http://my.epri.com/portal/server.pt?space = CommunityPage&cached = true&parentname = Obj.
- Greenland S, Sheppard AR, Kaune WT, Poole C, Kelsh AM. 2000. A pooled analysis of magnetic fields, wire codes, and childhood leukemia. Epidemiology. 11 6: 624–634.
- International Agency for Research on Cancer (IARC). 2002. Non-ionizing radiation, Part 1: Static and extremely low-frequency (ELF) electric and magnetic fields. IARC monographs on the evaluation of carcinogenic risks to humans. Lyon: IARC PressVol. 80.
- Israel M, Kibarov B, Enev S, Zaryabova V, Chuchkova M, Petrova R, Dimitrova M. 1997. Hygienic assessment of electric and magnetic fields emitted by transformers in dwellings and development of requirements for protection. Sofia: National Center of Hygiene, Medical Ecology and Nutrition Project Report.
- Israel M, Kibarov B. 1998. Electromagnetic fields emitted by transformers mounted in dwellingsEnergetics Forum, Varna, June Proceedings. Vol. 250–53.
- Kheifets L, Oksuzyan S. 2008. Exposure assessment and other challenges in non-ionizing radiation studies of childhood leukaemia. Radiat Prot Dosimetry. 132 2: 139–147.
- Standards and Guidelines for Cancer Registration in Europe (2003). IARC Technical Publication No. 40.
- World Health Organization. 2007. Environmental Health Criteria 238: Extremely low frequency fields. Geneva: WHO.