Category:PD US NIH

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These images and documents are in the public domain because they contains materials that originally came from the U.S. National Institutes for Health (http://www.nih.gov). Only images actually made by the US Federal government should be included here, the NIH often distributes commercial artwork which is not public domain.

Media in category "PD US NIH"

The following 200 files are in this category, out of 507 total.

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