PMC4849118_01
Brown pigmented colonies of Porphyromona spp. On enriched Brucella blood agar medium
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PMC4849118_01_AMHSR-6-56-g001.jpg
F1
After 72 h of incubation, brown-black pigmented colonies of Gram-negative bacilli were noted in enriched blood-agar media [Figure 1] which failed to grow aerobically.
PMC4849118_02