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. 2012 Feb 6;7(2):e31065. doi: 10.1371/journal.pone.0031065

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Zacharias 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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Immunofluorescence reveals the presence of more HN-secreting macrophages in the M1 polarization phase (indicated by iNOS) in symptomatic patients (*p<0.05 vs. asymptomatic, #p<0.05 vs. TIA).