Concentration of autoantibodies to native 60‐kd ro/ss‐a and denatured 52‐kd ro/ss‐a in eluates from the heart of a child who died with congenital complete heart block

Objective. To determine the serologic specificity of acid eluates from tissues of a child who died with congenital complete heart block (CCHB). Methods. Tissues were extracted, acid eluted, and the IgG and antibody titers determined on the eluates by enzyme‐linked immunosorbent assay. Results. Antib...

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