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  • A case of solid blood
    Yarid, Nicole A; Zhang, Yan

    Clinical chemistry (Baltimore, Md.) 59, Issue: 10
    Journal Article

    What steps could be taken to measure chemistry values in this sample? ANSWERS Blood can form a gel when there are high concentrations of proteins, such as IgM and/or IgG antibodies, that pre- cipitate at low temperatures (cryoglobulins) or aggluti- nate red blood cells (cold agglutinins) (1,2).