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. 2007 Jun 13;2(6):e518. doi: 10.1371/journal.pone.0000518

Figure 6. Immunohistochemistry of RA joint infiltrate.

Figure 6

(A) Color stain by Hematoxylin-eosin staining. Immunohistochemical analysis using (B) CD4 (C) CD8 and (D) NKG2D antibodies. The infiltrate is clearly of lymphocytic origin with a majority of CD4 T cells.