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Figure 3 Immunofluorescence micrographs after staining with a monoclonal anti-tubulin antibody. A, Adventitia of a control animal seven days after angioplasty showing the specific staining of the cytoskeleton around the nucleus. B, Untreated control vessel after electrostimulation only. C, Control animal seven days after BD showing heterogeneous staining within the neointima. D, Histologic section seven days after local paclitaxel delivery showing an intensely stained "fluorescence band" at the luminal cell lining. Scale bars represent 50 µm.