Shop Print Media, No drawers, 92% Polyester / 8% Spandex, Dry Pro™, Submucosal Lifting Agent, 15-3/4 Inch Length, 375 ng / mL, 5 Gram, For Use as Calibrator in the CEDIA Semiquantitative Determination of Drugs of Abuse in Human Urine on Automated Clinical Chemistry Analyzers