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Positivity for anti-dsDNA antibody is a diagnostic criterion of systemic lupus erythematosus (SLE). In the present study, the significance of ELISA positive and Crithidia luciliae immunofluorescence test (CLIFT) negative anti-dsDNA sera was evaluated.There were 371 consecutive serum samples submitted to for anti-dsDNA testing that were assayed using anti-dsDNA ELISA and CLIFT. Sera showing discrepant...
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