Januery 27, 1b. Dr. Fopert f. Comerd- fedicel Depertment Brookhaven National Leboretory Upten, New York 732. Desr Bob: “his is in response to your letter of Jamuer;y 16, 1355. will ceament in turn on the studies involvin:. redioactive I ueteriels which you hsve proposed for the Marshell Islanders this trip. 1. . I dom't think this vill cive you the ensvwer inesmuich os there is no necessary relstion betveen thyroid upteke cnd high protein bound iodine. In other words, I con't think it would be worth the incomvenience to the people. -« Is Cre5l so much more accurate than e dye when the necessary correction factors are cranked ini Ian | curious to know vhat cre the possible causes of the low henetocrits es well as the total investi:etion thet you plen to make. “. I vould assum you vould have to ccnfine your activities to adults in which case I don't think you vould set mich of a clue from the study proposed es to the size of the exchanseable calcium pool and the rate of acretio of “bone selts. Even in croving expericental enimals I om told that the results ere not very bhelipful. Sincerely yours, Charlere L. Dunham, Ei.D. Director Division of Biolosy end Medicine Jd ce: Dr. Buner OFFICE b> DIR B& M SURNAME p> vf Navy re uf |Plat ug - . Come DATE » alk Form AEC-818 (Rsv, 3-53) ©. &. GOvERWEEET PRINTING OFFICE 16-—-€7761-8 i