(March 9, 2016, 2:52 PM EST) -- COLUMBUS, Ohio — One of the plaintiffs who sued E.I. du Pont de Nemours and Co. in Ohio federal court alleging that the company is liable for personal injuries from exposure to perfluorooctanoic acid (known as C8) on March 7 filed a brief contending that DuPont’s motion for summary judgment should be denied because the plaintiff has proffered “valid, reliable, and admissible expert opinions” from well-credentialed physicians (In re E.I. du Pont de Nemours and Co. C-8 Personal Injury Litigation, MDL No. 2433, No. 13-2433, S.D. Ohio)....