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"In exploring the genetics of mitochondria &amp;amp;#150; the powerhouse of the cell &amp;amp;#150; researchers at Fred Hutchinson Cancer Research Center have stumbled upon a finding that challenges previously held beliefs about the role of mutations in cancer development."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2012-06-role-genetic-mutations-colon-cancer.html>