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![Download a high-resolution (300dpi) digital image](https://webarchive.library.unt.edu/eot2008/20081103165736im_/http://www.ars.usda.gov/is/graphics/photos/downloadbutton.gif)
Image Number K4134-6 |
Veterinary pathologist Norman Cheville (left), molecular biologist Shirley
Halling, and National Animal Disease Center director Harley Moon analyze DNA
sequence reactions of a vaccine made from a modified Brucella abortus
bacterium.
Photo by Keith Weller.
640 pixels wide: (k4134-6.jpg)
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Last Modified: 05/23/2006
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