Shop Print Media, No drawers, 92% Polyester / 8% Spandex, Dry Pro™, Submucosal Lifting Agent, Wood, Tryptic Soy Agar (TSA) with Lecithin and Tween® 80, For use as Assayed Quality Control Material to Monitor Preciscion of Beckman Coulter Fentanyl Enzyme Immunoassay