Medical Survey of Japanese Exposed to Fall-out Radiation in 1954 A Report after 10 Years by Toshiyuki Kumatori, M. D.', Takaaki Ishihara, D. Sc.?, Toshio Ueda, M. D2 and Kazuo Miyoshi, M. D.t Head, Department of Radiation Health, NIRS W Senior Scientist, Department of Radiation Health, NIRS Practitioner, Former Member of NIRS ~& he December 1965 Professor, Department of Ist Internal Medicine, Tokushima University