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Clinical chemistry reagents consisting of serum pooled either from donors with normal levels of lipoproteins or from disease-state donors with above-normal concentrations of total lipoproteins or of some specific lipoproteins; less frequently, they are obtained by extracting some lipoproteins from normal donor serum (i.e., lipoprotein-deficient serum). Lipoprotein control reagents are mostly used for quality control of specific lipoprotein assays performed in a sample of a body fluid.
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