Shop Print Media, 92% Polyester / 8% Spandex, Dry Pro™, Submucosal Lifting Agent, 15-3/4 Inch Length, Closed Toe, For Calibrating the Quantitative Elecsys PTH STAT Assay for intact PTH (Parathyroid Hormone) on the Elecsys and cobas e Immunoassay Analyzers