Image Number K11311-18
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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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