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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D1209-1

Benjamin Rosenthal searches for microscopic parasite cysts while technician Detiger Dunams inspects variation in the length of PCR-amplified parasite genes.


Photo by Stephen Ausmus.

640 pixels wide: (d1209-1.jpg)

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Last Modified: 9/5/2008
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