33 1 A Majuro and obtained a very large control group, as I say, comparable in age and sex to the exposure group. For the Americans we obtained a group of Americans that had been in 4} the mid-Pacific faa period of at least two months, and at 5 least to that extent were comparable to the Rongerik anerican} 6 who were out Alderson Reporting Company Washington, D. C 7 The control populations -- the controls for the 8 Natives were broken down as regards to age and sex. They did 9 show a difference in response as a function of age. In 10 general as far as the leukocyte-lymphocyte count is concerned| 11 the children below five were different than those above five. 12 With respect to platelets, individuals below 15 were 13 significantly different than those above 15. 14 been broken down into these age groups, and I will speak only 18 of the adults unless I specify children. 16 So they have In the large exposure group in the Rongelap, there 17 is no question as to the definite change in the hematologic 18] picture. 19 for a period of weeks, 20 returning towards noymal when the group studies were 21 completed. 22 ARC there approximately two m onths when exposed. They did fall and remained at a fairly low level and there are indications that they were The change in total white count was reflected in 23 both the leukocyte counts and lymphocyte counts. 24 lymphocyte counts fell immediately to a level of 2,000 cells 26 and remained throughout the duration of study, ar Department ¢ meneby ay £¢ Hister’an’s © ito The and no evidences y ARCHIVES | 34