1. Ministry of Health Labour and Welfare (2012) Available: http://www.mhlw.go.jp/shinsai_jouhou/shokuhin.html. Accessed: 7 Oct. 2013. [in Japanese]
2. Tokyo Metropolitan Institute of Public Health (2011) Available: http://monitoring.tokyo-eiken.go.jp/monitoring/w-past_data.html. Accessed: 7 Oct. 2013.
3. Fukushima Prefecture (2013) Available: http://www.new-fukushima.jp/monitoring/. Accessed: 13 Sep. 2013. [in Japanese]
4. ICRP (1983) Radionuclide transformations - Energy and intensity of emissions. ICRP Publication 38, Ann. ICRP 11–13.
5. Working Group on Radionuclides Pharmaceutical Affairs and Food Sanitation Council (2011) Estimation of contribution of radiocesium to internal exposure from dietary intake. [in Japanese]