AUDIT MicroControls has added to its line of calibration verification/linearity and daily quality control products with the Linearity FD D-Dimer bioMerieux VIDAS and miniVIDAS, intended to simulate human patient plasma samples to determine linearity, calibration verification, and verification of reportable range. A lyophilized product, consisting of five levels that demonstrate a linear relationship to each other when assayed for D-Dimer, this product has an open vial stability of 2 days when stored at 2°C to 8°C.