Antibodies to ß₂ glycoprotein I and cardiolipin in SSc

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Figure 1 .

Comparison of aß₂GPI and aCL antibody levels in patients with SSc, RP, and normal controls. The numbers on the ordinate represent optical density values converted to SMU (standard IgM ß₂GPI units), MPL (1 MPL unit = the binding of 1 µg/mL IgM aCL), or GPL (1 GPL unit=the binding of 1 µg/ml IgG aCL). The arrows indicate the cut off values for each dataset.