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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D1045-1

Chemist Phyllis Howley measures blood-clotting properties on modified cotton fabrics while chemist Vince Edwards studies the resulting image analysis on a nearby computer screen.


Photo by Peggy Greb.

640 pixels wide: (d1045-1.jpg)

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Last Modified: 1/29/2008
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