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    Ann Intern Med. 1977 Mar;86(3):309-11.

    Error in anti-DNA antibody radioimmunoassay after gallium scanning.

    Torretti D, Rooney P, Williams G, Decker JL.

    Significant interference with the accurate measurement of anti-DNA antibodies occurs after gallium-67 scanning. The observed effect is dependent on the radioimmunoassay used. False-negative results are observed with a modified Farr assay whereas false-positive results are noted in the millipore filter assay. These spurious values are the result of persistent radioactivity in the patients' sera after administration of 67Ga citrate.

    PMID: 300227 [PubMed - indexed for MEDLINE]

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