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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K11311-18

At the National Animal Disease Center in Ames, Iowa, visiting scientist Joachim Pohlenz, a pathologist from the School of Veterinary Medicine in Hannover, Germany, selects and trims intestinal tissues to be processed and examined for signs of E. coli O157:H7 infection.

Photo by Stephen Ausmus.



640 pixels wide: (k11311-18.jpg)




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Last Modified: 5/23/2006