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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K11639-1

A Western blot analysis done by technicians Deborah Clouser (sitting) and Semakaleng Lebepe-Mazur was crucial in tracking the first U.S. mad cow (bovine spongiform encephalopathy) case.

Photo by Peggy Greb.



640 pixels wide: (k11639-1.jpg)




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Last Modified: 5/23/2006
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