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muuh-gnu on Feb 9, 2013 | parent | context | favorite | on: A list of donations that Bill Gates has made

> how these studies control for confounding factors like that

The answer is: they simply do not at all.

[1] http://www.salem-news.com/fms/pdf/2011-12_JLM-Boyle-Hill.pdf

[2] http://www.circumstitions.com/HIV-SA.html

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