Mealey's (June 13, 2018, 12:14 PM EDT) -- RICHMOND, Va. — Finding no abuse or error in a federal judge’s exclusion of the causation opinions of three experts for thousands of women seeking to hold Pfizer Inc. liable for their diabetes, which they say was caused by using the popular cholesterol drug Lipitor, the Fourth Circuit U.S. Court of Appeals on June 12 affirmed a summary judgment ruling against the plaintiffs (In Re: Lipitor [Atorvastatin calcium] Products Liability Litigation, Nos. 17-1140, 17-1136, 17-1137, 17-1189, 4th Cir., 2018 U.S. App. LEXIS 15752)....