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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K10307-1

Chemist Erik Gertz and physiologist Marta Van Loan examine a tray of serum samples to be analyzed for indicators of bone formation and resorption.

Photo by Peggy Greb.



640 pixels wide: (k10307-1.jpg)




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Last Modified: 5/23/2006
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