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Frozen liver section of control dog (a) and naturally infected dogs (b,c): (a) fibronectin discreet expression in hepatic lobe; (b) asymptomatic dog with fibronectin expression in hepatic lobe; (c) symptomatic dog with exuberant and diffuse fibronectin expression in hepatic lobe. Immunofluorescence technique (Bars = 50 μm).
