Image 1 of 1 RBP4 Controls US$79.36 SIZE2 x 1 mL Quantity: Add To Cart Added! SIZE2 x 1 mL You Might Also Like Hemoglobin A1c (HbA1C) Calibrator US$264.55 α1-microglobulin (A1M) Calibrators US$132.28 Cystatin C (CysC) Calibrators US$132.28 Lipocalin-2 (NGAL) Controls US$79.36 Rheumatoid Factor (RF) Controls US$79.36