Figure 2.

Immunostaining features of perforin, granzyme B and TIA-1 in the portal tract area. The expression of perforin (A), granzyme B (B) and TIA-1 (C) in the portal tract area in biopsies without ACR is sporadic and significantly less than that with ACR (D, E and F, respectively). (Immunostaining with hematoxylin counter staining, ×200).

Cheng et al. Diagnostic Pathology 2012 7:148   doi:10.1186/1746-1596-7-148
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