DescriptionOrder no. Description Quantity 15513 Serum Calibrator, lyophil. for Levetiracetam (Keppra®) 1 x 3 mL Data Sheet 15513_1218-1 Order no. Description Quantity 15513 Serum Calibrator, lyophil. for Levetiracetam (Keppra®) 1 x 3 mL Data Sheet 15513_1218-1