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. 2009 Jul 22;4(7):e6332. doi: 10.1371/journal.pone.0006332

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Bombaci et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Black circles and triangles represent the ELISA Titers (geometric means, x-axis) and Mean Fluorescent Intensities (arithmetic means, y-axis) obtained using 8 sera from either no tic or tic patients with each of the antigens Spy0843, M5005_Spy0249, Spy1306 and Spy1939. Standard errors of the means are reported. Both ELISA titers and MFIs differences between the two sera classes were statistically significant with P values<0.05 calculated either with T Student (ELISA) or Fisher's exact test (MFI).