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. 2018 Oct 5;10:10. doi: 10.1186/s41479-018-0054-5

Fig. 1.

Fig. 1

Gram-stain observed in sputum from patient with Corynebacterial pneumonia. A sputum sample collected from the patient in Case 1 depicts Gram-positive bacilli (purple) within and surrounding polymorphonuclear cells (pink). The “club-shaped” appearance pathognomonic for the group “Coryneform” is appreciated