BIOREF is specialized in manufacturing customized controls, which are READY-TO-USE and highly stable. Modern technology combined with up to date methods are applied in our production processes. BIOREF offers controls for various analyte groups, e.g. Tumor Markers, Allergy IgEs, Plasma Proteins, Spinal Fluid Markers, Cardiac Markers, Thyroid Hormones, Fertility Hormones and Therapeutic Drugs. Our controls can be customized regarding analyte content, concentration, filling and packaging.