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Fig. 4 | World Journal of Emergency Surgery

Fig. 4

From: Histopathological findings in a COVID-19 patient affected by ischemic gangrenous cholecystitis

Fig. 4

Immunohistochemical images relative to (1) over endothelial cells expression with anti-CD31 antibody (dark brown) in a (magnification × 2/0.08 NA) and in b (magnification × 10/0.40 NA); (2) tissue macrophages with anti-CD68 antibody (brown) in c (magnification × 2/0.08 NA) and in d (magnification × 10/0.40 NA); and (3) tissue lymphocytes CD4+ (helper) with anti-CD4 antibody (brown) in e (magnification × 2/0.08 NA) and in f (magnification × 10/0.40 NA)

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