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. 1999 Jan;6(1):24–29. doi: 10.1128/cdli.6.1.24-29.1999

FIG. 3.

FIG. 3

ELISA reactivity of two different sets of serum samples. The cut-off value is indicated for each experiment by a horizontal line. (A) Detection of a set of 95 IgG-positive (•) and 48 IgG-negative (○) human serum samples with the recombinant antigens GRA7, Tg34AR, and a combination of both; (B) detection of a set of 67 IgM-positive (•) and 25 IgM- and IgG-negative (○) human serum samples with the recombinant antigens GRA7 and Tg34AR.

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