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Re: Cancer deficiency clusters



In a message dated 7/17/02 9:09:45 AM Mountain Daylight Time, s.julian.gibbs@vanderbilt.edu writes:


These studies show association, not cause and effect.


Don't all epidemiologic studies show association, but not cause and effect?  Correlation is not cause.

Ruth Weiner, Ph. D.
ruthweiner@aol.com