Shop Thermo Scientific™ Richard-Allan Scientific™ Fix-Rite™ 2, PDC Healthcare, For use as an Assayed Control Serum to Monitor Precision of Laboratory Testing Procedures for Analysis of AFP (Alpha Fetoprotein), CA15-3, CA19-9, CA125, CEA (Carcinoembryonic Antigen), Ferritin, HE4 (Human Epididymis Protein 4), PSA (Prostate Specific Antigen), and Free PSA (Free Prostate Specific Antigen)