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by Craig Freudenrich, Ph.D.

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    Information from Government and Public Health Agencies

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    Freudenrich, Ph.D., Craig.  "How Mad Cow Disease Works"  08 March 2001.  HowStuffWorks.com. <http://science.howstuffworks.com/environmental/life/zoology/all-about-animals/mad-cow-disease.htm>  26 May 2012.
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