Figure 4.

Photomicrography of immunohistochemical MMP-9 antigen detection in the frontal cortex of BoHV-5-infected calves (A-D). A) area of intense immunoreactions in the parenchyma; B-C) intense positive signals in the subependimal zones; D) no positive labeling was associated to control group. The strepavidin-biotin peroxidase complex method was used (scale bar 50 μm).

Cardoso et al. Diagnostic Pathology 2010 5:57   doi:10.1186/1746-1596-5-57
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