66 of Global Associates at Kwajalein, including Dr. Y.C. Smith and Mr. G. Brosky at the Kwajalein Hospital, were extremely helpful. At Brookhaven National Laboratory, contributions were made by manyindividuals in many departments, including Medical, Instrumentation and Health Physics, Photography and Graphic Arts, the Shipping Section and others. We are grateful to the following people for their support and advice: Dr. Maurice Goldhaber, Director; Dr. J.B.H. Kuper, Chairmanofthe Instrumentation and Health Physics Department; Dr. V.P. Bond, Chairman of the Medical Department, and others in his Department, including Drs. D.D. Van Slyke, E.P. Cronkite, and S. Cohn, Messrs. 6. Conarn, R.A. Et av., Medical Survey of Rongelap People, March 1958, Four Years After Exposure to Fallout, BNL 534 (T-135), May 1959. 7. Conarp, R.A. et ac. Medical Survey of Roagelap People Five and Six Years After Exposure to Fallout, BNL 609 (T-179), September 1960. 8. Conarp, R.A. et AL., Medical Survey of Rongelap People Seven Years After Exposure to Fallout, BNL 727 (T-260), May1962. 9. ConarD, R.A. ET AL., Medical Survey of Rongelap People Eight Years After Exposure to Fallout, BNL 780 (T-296), January 1963. 10. Conarp, R.A. Et ar., Medical Survey of the People of Rongelap and Utirik Islands Nine and Ten Years After Exposure to Fallout Radiation (March 1963 and March 1964), BNL 908 (T-371), May 1965. 11. Sussman, L.N., Meyer, L.M., anp Conarp, R.A., nursing staff of the Medical Research Center. In regard to advice and consultation on the thy- Blood groupings in Marshallese, Science 129, 644 (1959). 12. BLumberc, B.S., Biochemical polymorphismsin animals: haptoglobins and transferrins, Proc. Soc. Exptl. to Drs. S. Warren and W.A.Meissnerof the New 13. Btumserc, B.S. anp Garter, S.M., High prevalence of high-level B-aminoisobutyric acid excreters in A. Finn, G. Jackson, and W. J. Walsh, and the roid pathology in the Marshallese, we are indebted -England Deaconess Hospital; Dr. J.B. Stanbury, MassachusettsInstitute of Technology; Dr. B.P. Colcock, Lahey Clinic; Dr. E.D. Henley, University of Washington; Dr. G.H. Klinck, Armed Forces Institute of Pathology; Dr. S. Lindsay, University of California; CommanderC.J. Stahl, U.S. Navy; and Drs. L.K. Dahl, H.L. Atkins, and H.A. Johnson of Brookhaven National Laboratory. Wewish also to thank Miss B.R. Brezisky for hersecretarial assistance and Mrs. M. Dienes for hereditorial help. Biol. Med. 104, 25 (1960). Micronesians, Nature 184, 1990 (1959). 14. Gartcer, S.M., An investigation into the biochemical genetics of B-aminoisobutyric aciduria, Am. J. Human Genet. 11, 257 (1959). 15. Sremnperc, A.G., Sraurrer, R., BuumBerc, B.S., anp Fupenserc, H., Gm phenotypes and genotypesin U.S. whites ai.d negroes; in American Indians and Eskimos; in Africans and in Micronesians, Am. //. Human Genet. 3, 205 (1961). 16. BLumaerc, B.S., Dray, S., ano Rosinson, J.C., Anti- gen polymorphism of a low density beta-lipoprotein: allotypy in human serum, Nature 194, 656 (1962). 17. Meneey, G.R. ano Dant, L.K., Electrolytes in hypertension: the effects of sodium chloride, Med. Clin. N. Am. 45, No. 2, 271 (1961). References 18. Go-pman. M. anp Carver, R.K., An intestinal para- 1. Cronkite, E.P. et ac., The Effects of Ionizing Radiation on Human Beings: A Report on the Marshallese and 4 menicans Accidentally Exposed to Radiation Fallout and a Discusston of Radtation Injury in the Human Beng, AEC-TID 5358, U.S. Government Printing Office, Washington, D.C., 1956. 19. Grick, S.M., Rotn, J., Yatow, R.S., ano Berson, 2. Bonn, V.P., Conarp, R.A., Ropertson, J.S., anp Wepsen, E.A. Jr., Medical Examination of Rongelap People Stx Months After Exposure to Fallout, WT-937, Operation Castle Addendum Report 4.1A, April 1955. 3. Cronkite, E.P. et ac., Twelve-Month Postexposure Survey on Marshallese Exposed to Fallout Radiation, BNL 384 (T- 71), August 1955. 4. Conarp, R.A. ET at., Medical survey of Marshallese two years after exposure to fallout radiation J.4.M.A. 164, 1192 (1957). 5. Conarn, R.A. etar., March 1957 Medical Survey of Rongelap and Uturtk People Three Years After Exposure to Radwactwe Fallout, BNL 501 (T-119), June 1958. site survey on Rongelap Atoll in the Marshall Islands, Am. Jj. Trop. Med. Hyg. 8, 417 (1959). S.A., Immunoassay of human growth hormone in plasma, Nature 199, 7€ (1963). 20. Baxwin, R.M., Werper, A., AND Bakwin, H., Mental testing in children, j. Pediat. 33, 384 (1948). 21. Sutow, W.W., Conarp, R.A., ano Grirritu, K.M., Growthstatus of children exposed to fallout radiation on Marshall Islands, Pediatrics 36, 721 (1965). 22, Greuticn, W.W. ann Pye, S.1., Radiographic Atlas of Skeletal Development of the Hand and Wrist, 2nd Ed., Stanford University Press, Stanford, Calif., 1959. 23. Conarb, R.A. ano Hicxine, A., Medical findingsin Marshallese people exposed to fallout radiation; results from a ten-year study. /.4.M.A. 192, 457 (1965). 24. Conarn, R.A., Rat, J.E., ano Sutow, W.W., Thy- roid nodules as a late sequela of radioactive fallout, New Engl. jf. Med. 274, 1392 (1966). 25. Harris, P., Unpublished data.

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