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. 2005 Feb 24;125(2):181–186. doi: 10.1016/j.jviromet.2005.01.028

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Copyright © 2005 Elsevier B.V. All rights reserved.

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Fig. 2 — Plots of (a) the OD₄₀₅ values of the neutralizing antibody-positive and -negative samples measured by the SARS-CoV rNP-based IgG ELISA. The curves of relative sensitivity and specificity of (b) the SARS-CoV rNP-based IgG ELISA by TG-ROC analysis and (c) the ROC curve based on the neutralizing antibody assay.