umes than that need There is no doubt in my mind but that the red cell volyou found in the Marshallese are significantly smaller what we have regarded aa “normal*. It is my impression plasma volumes may also be slightly smaller but I will a little more time to confirm this. There is nothing more I can add at the moment except perhaps to note that the correlations between BV and TEW, and between RCV and TBW appear to be better than I have seen for data on other groups of subjects. Please phone or write if you have any questions about the data or their interpretation. Sincerely, William E. Siri Enclosures. Ce: Dr. L. Meyer WES tpb 90062 10

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