1. Japanese Government Printing Office On handling of patients implanted permanently with radiation device for medical treatment. Notification from the Director, Safety Division, Pharmaceutical and Medical Safety Bureau, Ministry of Health, Labour and Welfare, PMSB/SD Notification No. 0313001 Tokyo, Japan Japanese Government Printing Office 2003
2. Japanese Society for Therapeutic Radiology and Oncology, Japanese Urological Association and Japan Radiological Society Guidelines for safety control of brachytherapy with permanently implanted sealed seed radiation sources for prostate cancer Tokyo, Japan Japan Radioisotope Association 2003
3. Japanese Society for Therapeutic Radiology and Oncology, Japanese Urological Association, Japan Radiological Society, Japanese Society of Pathology and Japan Radioisotope Association Manual for actions in early death cases occurring within one year after brachytherapy with permanently implanted radiation sources for prostate cancer Tokyo, Japan Japan Radioisotope Association 2008
4. A review of human carcinogens - part D: radiation;WHO International Agency for Research on Cancer Monograph Working Group;Lancet Oncol,2009
5. Act on Prevention of Radiation Disease Due to Radioisotopes, etc. Act of the Ministry of Health, Labour and Welfare, No. 167 of June 10, 1957 Tokyo, Japan Ministry of Health, Labour, and Welfare 1957