Vol. 164, No. 11 C. P. A. Strome, HMC, W. K. Border, HMC, J. W. Hamby, HM1, W. G. Clutter, HM 1, L. D. Snow, HM 1, and C.D. Severson, HM 2, Navy technicians from the Naval Medical Research Institute, Bethesda, Md., assisted in technical phases of this study. Dr. S. W. Lippencott of Brookhaven National Laboratory made the histopathological evaluations of skin biopsy specimens. Dr. W. C. Moloney and Miss L. Fliegelman of the Boston City Hospital carried out the alkaline phosphatase analysis of blood smears. Lieut. A. G. Schrodt, MSC, and Pvt. A. Burstein, U. S. Army, of Walter Reed Institute of Research, Dr. J. Harley and Mr. E. Hardy of the New York operations office of the Atomic Energy Commission, and Dr. S. Cohn of the Naval Radiological Defense Laboratory, San Francisco, carried out the radiochemica] analyses. Dr. C. L. Dunham, Director of the Division of Biology and Medicine, Atomic Energy Commission, and Lieut. Commander I. V. King, MSC, USN, furnished assistance in this study. This study was supported by the United States Atomic Energy Commission. References l. Some Effects of Ionizing Radiation on Human Beings: Report on Marshallese and Americans Accidentally Exposed to Radiation from Fallout and Discussion of Radiation Injury in 1197 Human Being, edited by E. P. Cronkite, V. P. Bond, and C. L. Dunham, VU. S. Atomic Energy Commission, 1956. Conard, R. A., and others: Skin Lesions, Epilation and Nail Pigmentation in Marshallese and Americans Accidentally Contaminated with Radioactive Fallout, Naval Medical Research Institute Report no. NM 006012.04.82, U. S. Atomic Energy Commission, Aug. 29, 1955. Bond, V. P.; Comard, R. A,; Robertson, J. §.; and Weden, E. A. Jr.: Medica] Examination of Rongelap People Six Months After Exposure to FaHout, WT-937, Operation Castle Addendum Report 4.1A, U. S. Atomic Energy Commission, April, 1955, Cronkite, E. P., and others: Twelve-Month Postexposure Survey on Marshallese Exposed to Fallout Radiation, Brookhaven National Laboratory Report no. BNL 384 (T-71), U. S. Atomic Energy Commission, Aug., 1955. 2. Greulich, W. W.; Crismon, C. S.; and Turner, M. L.: Physical Growth and Development: of Children Who Survived . Atomic Bombing of Hiroshima or Nagasaki, J. Pediat. 452121145 (Aug.) 1953. 3. Kikuchi, T., and Wakisaka, G.: Hematological Investigation of Atomic Bomb Sufferers in Hiroshima and Nagasaki Cities, Acta Scholae Med. Univ. Kioto 30: (pt. 2): 205-237, 1952. Snell, F. M.; Neel, J. V.; and Ishibashi, K.: Hematologic Studies in Hiroshima and Control City Two Years After Atomic Bombing, Arch. Int. Med. %-4:569-604 (Oct.) 1949.

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