Figure 7From: A comparative study of modified confirmatory techniques and additional immuno-based methods for non-conclusive autolytic Bovine spongiform encephalopathy casesFibrils visualized by electron microscopy. (A) In the positive mouse by Roboscreen® test (Bar = 0,2 μm) (B). In a negative by Roboscreen® test but positive by immunohistochemistry, marked with colloidal gold (Bar = 0,1 μm).Back to article page