(August 6, 2018, 9:41 AM EDT) -- WASHINGTON, D.C. — Twenty federal plaintiffs on July 31 asked a federal judicial panel to centralize their linear gadolinium injury case in a multidistrict litigation in the U.S. District Court for the Northern District of California (In Re: Linear Gadolinium-Based Contract Agents Products Liability Litigation, MDL Docket No. 2868, JPMDL)....