Shop Print Media, No drawers, 92% Polyester / 8% Spandex, Submucosal Lifting Agent, Burton Medical®, Cryo Tags, For Use as Calibrator in the CEDIA Semiquantitative Determination of Drugs of Abuse in Human Urine on Automated Clinical Chemistry Analyzers, R1: 50 mL, R2: 8.5 mL, STD: 3 mL