Anti-DNA antibody determination in serum is increasingly used because it supports the diagnosis of systemic lupus erythematosus (SLE) with high selectivity. The present work evaluates several of the technical variables of the Farr radioimmunoassay for anti-DNA antibody determination and describes a recommendable procedure, emphasizes the most important sources of error and gives the range of normal blood donors and a group of hospital patients without SLE.
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Manthorpe et al. (1978) studied this question.
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