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. 2011 Dec 12;61(1):179–186. doi: 10.2337/db11-0670

FIG. 3.

FIG. 3.

Illustration of normal human serum blocking MSD-IAA signal. The MSD-IAA radioassay signals with an insulin monoclonal antibody (MoAb; A) are decreased by addition of normal human serum, compared with equal volume of PBS with partial restoration of signal with acid treatment (acid treat) of human serum. B: Illustration of MSD-IAA assay signals of 4 patient sera with and without acid treatment. (A high-quality color representation of this figure is available in the online issue.)