Beckman Coulter, Inc. Access Free T4 Calibrators (S0-S5), 6 x 2.5 mL , 33885
Intended Use: The Access Free T4 Calibrators are intended to calibrate the Access Free T4 assay for the quantitative determination of free thyroxine levels in human serum and plasma (heparin) using the Access Immunoassay Systems.