Shop Print Media, No drawers, 92% Polyester / 8% Spandex, Halyard™, Locking, Hook and Loop Strap Closure / Ski Buckle Closure / Single-Pull Lace Closure, For Calibrating the Quantitative Elecsys PTH Assay for intact PTH (parathyroid hormone) on the Elecsys and cobas e Immunoassay Analyzers