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NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance.

This study was supported by core funding for the Institute for Laboratory Animal Research from the National Science Foundation under contract DBI-0838150; the US Department of the Army under contract W81XWH-09-1-0664; the US Department of the Navy under contract N00014-05-G-0288, Task Order #21; and the Department of Health and Human Services/National Institutes of Health under contract N01-OD-4-2139, Task Order #221. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the organizations or agencies that provided support for the project.

International Standard Book Number-13: 978-0-309-21951-8
International Standard Book Number-10: 0-309-21951-5

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