75 development, and they are only ten times lower. Over the longer period of time that the development takes place, children may be the individuals to observe in order to find that out. DR. BUGHER: There may be a corollary to the question, and that would be whether or not the blood changes in the children were not related to the perhaps greater quantitative bone marrow dose. on the questiam Alderson Reporting Company Washington, D. C. 10 Does anybody have a comment of growth disturbance in children, resulting from these exposures? MR. COHN: 11 We broke down each one of the groups 12 into various age groups. Below five years old, from 13 six to 15 and 15 and over. 14 a lower mean emitter excreted. 15 say. 16 than the adults did. 17 would therefore leave you with the idea that the material 18 they do take up is fixed more firmly in the bone so that a We find in the children we have Wmt this means is hard to It is not likely that they took up less contamination They ate as much, and so forth. | lower ratio perhaps is found in the urine. 19 20 It In general, more actively growing and proliferatingtissue is more 21 radio sensitive. You would expect to find more change in the children than in the adults. 23 DR. ARC 24 ——, 27 COHN: A teen-ager will eat more. We analyzed all the food and most of 4 4 WF; eae) : pistereny’s A youngster two or three years old does not eat as much as an adult. MR. Derartment of Er im DUNHAM: Nh