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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D239-1

Microbiologist Gregory Siragusa examines a bacterial culture while technician Johnna Garrish measures zones of antimicrobial activity against bacteria from bacteriocin agents co-developed by U.S. and Russian scientists.

Photo by Stephen Ausmus.

640 pixels wide: (d239-1.jpg)

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Last Modified: 5/23/2006
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