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ACKNOWLEDGMENTS
I wish to thank Dr.
Institute of Health,
Toshiharu Kawabata,
Tokyo,
National
for obtaining the samples from
the Japanese fishery; Mrs. Monica Depuy and Mr. Lewis
Leuders for performing many of the iron-55 analyses; Dr.
T. M. Beasley for analysis of the Bikini Atoll samples for
iron-55,
as well as running cross checks on the results of
other analyses,
and discussions of the data.