Iwaoka K., Tabe H., Ishikawa T., Tokonami S., Yonehara H., Occupational exposure to Austrian rocks used as radon spa sources in Japan. Radiation Emergency Medicine, 2(2), 23-26 (2013).
Iwaoka K., Tabe H., Ishikawa T., Tokonami S., Yonehara H., Occupational exposure to Austrian rocks used as radon spa sources in Japan. Radiation Emergency Medicine, 2(2), 23-26 (2013).