We changed from Biorad liquid stable about 2 years ago to Cardio Immune
TM_S, Cardiac Marker Control/Liquid 3 levels Manufactured by Medical
Analysis Systems, Inc, Camarillo, CA 93012, USA, as at that time we had
stability problems with the Biorad Controls and the Beckman Controls. We use
if for Troponin I Internal QA on the Beckman Access.
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