Shop Print Media, No drawers, 92% Polyester / 8% Spandex, Dry Pro™, Submucosal Lifting Agent, 15-3/4 Inch Length, General Chemistry, 5 Liter, For Calibrating the Quantitative Elecsys PTH Assay for intact PTH (parathyroid hormone) on the Elecsys and cobas e Immunoassay Analyzers