34 grateful to the following people for their support and advice: Dr. Leland J. Haworth, Director; Dr. Lee E. Farr, Chairman of the Medical De- partment, andothers in this departmentincluding Drs. D.D. Van Slyke, E.P. Cronkite, V.P. Bond, and L.K. Dahl; Dr. J.B.H. Kuper, Chairman of the Instrumentation and Health Physics Department, and others in this departmentincluding Dr. R.L. Chase, Dr. W. Higinbotham, Dr. R.M. Sugarman,Mr.F.C. Merritt, Mr. L. Suydam,and Mr. J.A. Hallock. Wealso wish to express our appreciation to Dr. R.E. Segel, Mr. J.S. Medd, Mr. R. Lehn, Mr. Norman Eckman, and Mr. G.W.Stoneman. As in the past, the Departmentof Defense, particularly the Departmentof the Navy, contributed most vitally to the mission. The Chief of Naval Operations and Commander-in-Chief of the Pacific Fleet furnished an LST, and Capt. HS. At Majuro we are most grateful to Mr. May- nard Neas, the District Administrator, Dr. A. Hicking, District Health Officer, Mrs. Ruth Martin, Administrator of the Marshail Islands Memorial Hospital, and their staff who were of great assistance in supporting the operation. We also wish to express our appreciation to John Iaman and Trigar Ishoda, practitioners, and Nelson, technician, for their assistance in carrying out the examinations, and to manyofthe Rongelap peoplefor their help during the examinations. Wewishalso to express our appreciation to the Honorable D.H. Nucker, High Commissioner of the Trust Territory of the Pacific Islands, and Dr. H.E. Macdonald, Director of Public Health, for their support. References Institute for his splendid assistance as Navy liaison officer, and to Capt. O.E. Van der Aue, (MC) USN, CommandingOfficer of that Institute, Capt. J.H. McQuilkin, USN, Commanding Officer, and Capt. A.R. Behnke, (MC) USN,Medical Director of the U.S. Naval Radiological Defense Laboratory, for their enthusiastic support. We wish to thank Lt. Comdr. J.N. Casseday, USN, CommandingOfficer of the LST Plumas County, and his officers and menfortheir great assistance and cordiality in transporting, housing, and berthing the team at Rongelap. Lt. S.H. Moore, (MC) USN,was of great assistance in helping with blood examinations. At the Navai Air Station, Kwajalein, Capt. F.N. Daly, USN, Commanding Officer, Capt. B.E. Bassham, (MC) USN,Senior Medical Officer, and Mr. R. J. Umhoefer, Trust Territory Representative, were most helpful to the group. The Commander ofJoint Task Force Seven, Gen. A.R. Luedecke, USAF, andhis staff at Eniwetok as well as the JTF-7 liaison officers, particularly Maj. Chester Steele, USA, at Hickam Air Force Base and Lt. Comdr. L. Steinmeyer, USN, at Kwajalein were most helpful. We appreciate greatly the assistance of Mr. Ernest Wynkoop, Office of Test Operations, Atomic Energy Commission, Eniwetok, and his staff during the return trip to Rongelap in May 1958. —~ Etter, (MC) USN, and others of their staff helped arrange clearance and transportation. Weare deeply grateful to Comdr. I.V. King, (MSC) USN, of the Naval Medical Research . Cronxite, E.P. et av., The Effects of lonizing Radiation on Human Betngs: A Report on the Marshallese and Amencans Accidentally Exposed to Radiationfrom Fallout and a Discussion of Radiation Injury in the Human Being, U.S. Govern- mentPrinting Office, Washington, D.C., 1956. 2. Bonn, V.P., Conarp, R.A., Ropertson, J.5., AnD Wenn,E.A. Jr., Medical Examination ofRongelap People Six Months After Exposure to Fallout, WT-937, Operation Castle Addendum Report 4.1A, April 1955. 3. Cronxte, E.P., Dunnam, C.L., Garrrin, D., McPuerson, S.D., anp Woopwarp, K.T., Twelve- Month Post- Exposure Survey on Marshallese Exposed to Fallout Radiation, BNL384 (T-71), August 1955. 4. Conarp, R.A., Huccins, C.E., Cannon, B., Lowrey, A., AND RicHaans, J.B., Medical survey ofMarshallese two years after exposure to fallout radiation, /..4..V4. 164, 1192-7 (1957). 5. Conarp, R.A., Mever, L.M., Ratt, J.E., Lowrey, A., Bacu, S.A., Cannon, B., Carter, E., Eicuer, M., AND Hecuter, H., March 1957 Medical Survey of Rongelap and Utirtk People Three Years After Exposure to Radioactive Fallout, BNL 501 (T-119), June 1958. 6. Smituie, O., Zone electrophoresis in starch gels: Group variations in the serum proteins of normal adults, Biochem. J. 61, 629 (1955). 7, Ropsins, J., Reverse-flow zone electrophoresis: A method for determining the thyroxine-binding capacity of serum protein, Arch. Biochem. Biophys. 63. 2 (1956). 8. MENpeLsoun, R.S. anp Watkin, D.M., Serum vita- min B,, concentrations determined by L. lerchmannu assay in patients with neoplastic disease, /. Lad. Clin. Med. 531, 860 (1958). 9. Beaver, P.C., Quantitative hookworm diagnosis by direct smear, J. Parasitol. 35, 125-35 (1949). 10. Ritcuie, L.S., An ether sedimentation techniquefor routine stool examinations, Bull. U.S. Army Med. Dept. 8, 326 (1948).

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