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For forty years the U.S. Public Health Service (PHS) conducted an experiment on 399 black men in the late stages of syphilis.
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Copyright © 1997-2008 HealthBoard.com
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For forty years the U.S. Public Health Service (PHS) conducted an experiment on 399 black men in the late stages of syphilis.
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Copyright © 1997-2008 HealthBoard.com