Siemens has entered into a joint marketing agreement with Bio-Rad Laboratories under which Bio-Rad will provide quality control products and Unity™ Inter-Laboratory Quality Control (ILQC) data management solutions for Siemens’ ADVIA^® Chemistry and ADVIA Centaur^® Immunoassay Systems. The combination of the quality control products and data management solutions will help ensure Siemens’ customers of the reliability and precision of their clinical laboratory test systems.