Figure 2From: Intravenous administration of anti-vascular endothelial growth factor humanized monoclonal antibody bevacizumab improves articular cartilage repairPhotomicrographs show safranin O staining at 3 months after surgery. The defect was treated with bevacizumab. Bars, 1 mm in (a) and 250 μm in (b, c and d).Back to article page