| http://www.w3.org/ns/prov#value | - - After the University of North Carolina???s Center for the Study of Retired Athletes published survey-based papers in 2005 through 2007 that found a correlation between N.F.L. football and depression, dementia and other cognitive impairment, a member of the N.F.L. concussion committee called the findings ???virtually worthless.??? -- Alan Schwarz, N.Y.Times
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