1. 1) International Agency for Research on Cancer; Radiation, a review of human carcinogens, IARC Monographs, 100D (2012).
2. 2) International Commission on Radiological Protection; 1990 Recommendations of the International Commission on Radiological Protection, ICRP Publication 60, Ann. ICRP, 21 (1991).
3. 3) International Commission on Radiological Protection; The 2007 Recommendations of the International Commission on Radiological Protection, ICRP Publication 103, Ann. ICRP, 37 (2007).
4. 4) K. KAMO, S. KANEKO, K. YOSHIMURA and T. SOBUE; Estimating lifetime cancer risk in Japan, Kosei no Sihyou, 52, 21-26 (2005) (in Japanese).
5. 5) K. KATANODA, T. MATSUDA, A. MATSUDA, A. SHIBATA, Y. NISHINO, M. FUJITA, M. SODA, A. IOKA, T. SOBUE and H. NISHIMOTO; An updated report of the trends in cancer incidence and mortality in Japan, Jpn. J. Clin. Oncol., 43, 492-507 (2013).