THE LONG ISLAND JEWISH HOSPITAL QUEENS 402518 HOSPITAL CENTER AFFILIATION co 62-68 164th ST.» JAMAICA, NEW YORK 117432 * JA 6-86800 January 8, 1965 Mr, Will Sirt Donner Laboratory University of California Berkeley 4, Cal, Dear Will: Many thanks for the data which you sent to Bob Conard. This will be incorporated in our Annual Report and you will receive due credit for your work, Do you think it advisable for us to repeat these studies in Americans who have been in the Islands for long periods of time? We have some preliminary values in Caucasians which suggest that there are reductions in red cell mass and total blood volume. These latter data are based solely on height and weight. If you think this is worthwhile I would pick up the tritiated water on my way through San Francisco, Best regards to Jean. Sincerely yours, THE LONG ISLAND JEWISH HOSPITAL QUEENS HOSPITAL CENTER AFFILIATION (Ls Leo M. Meyer, M.D, Hematologist LM/ns Le “2