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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D622-1

Mohammad Koohmaraie (left) and Terry Arthur review a gel image of PCR results to identify virulence factors in E. coli O157:H7 isolates from cattle hide samples.

Photo by Peggy Greb.



640 pixels wide: (d622-1.jpg)




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Last Modified: 10/4/2006
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