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Overexposure to manganese has caused Parkinson's-like…
—Tue Jul. 1, 2008 12:00 AM PDT
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With overseas mechanics and overstretched inspectors…
—Sat Jul. 1, 2006 12:00 AM PDT
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Did 3M and DuPont ignore evidence of health risks?
—Sat Sep. 1, 2001 12:00 AM PDT