Real Time™ Ligand features subtherapeutic, therapeutic, and hypertherapeutic levels for all constituents. The immunoassay uses a human serum–based formulation to help minimize matrix effects. The control is compatible with all immunoassay/TDM instruments and methods. Stable for 3 years after the date of manufacture, Real Time Ligand has a 14-day open vial stability. The product is available in both individual level and tri-level configurations.

Hematronix Inc
(800) 824-6665; www.hematronix.com