Blair, H. Aj, 1962, Some properties of reparable and irreparable radiation injury, In Some Aspects of Internal Radiation (T. Dougherty, W. Jee, C. Mays, and 8. Stover, Editors), p. 233, Pergamon Press, Oxford. Bloan, W., 1948, Histopathology of Irradiation from External and Interna! Sources, National Nuclear Energy Series, Vol. 22, McGraw-Hil? Book Company, Inc., New York, 808 pp. Blum, M. and M. Ejsenbud, 1967, Reduction of thyroid irradiation from 131) by potassium jodide, J. Amer. Med. Assoc. 200: 1036. Blumgart, H. L., A. S. Freedberg, and R. Buka, 1948, Treatment of euthyroid camdiac patients by producing myxedema with radioactive {fodine, Proc. Soc. Exp. Biol. Med. 67: 190. Book, S. A., 1977, lodine-129: Limits to ~adioiogic duse, Heeith Phys. 32: 321. Book, S$. A., 1980, The canine as a model in radiobtologic researcn, In The Canine as_a Biomedical Research Model: Immunological, Hematological, and Oncological Aspects (M. Shifrine and F.0D. Wilson, Editors), p. 315, DOE/TIC-30191, Technical Information Center/U. S. Cepartment of Ereray.