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. 2014 Jul 3;9(7):e99128. doi: 10.1371/journal.pone.0099128

Figure 4. Gram staining of spleen and head kidney sections.

Figure 4

Chain-like coccoid Gram-positive bacteria were present in the spleens (A) and head kidneys (C) of the ‘control challenged’ seabass, but not in the spleens (B) and head kidneys (D) of ‘control mock’ seabass. Arrows indicate bacteria. MMC - melano-macrophage center. Scale bar −20 µm.