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Scanning electron micrographs of osteoblasts seeded into bio-derived bone scaffolds. (A) Non-stimulated and non-modified group; (B) 100 ng/ml bFGF-stimulated and non-modified group; (C) non-stimulated and 10 µg/ml FN-modified group; (D) 100 ng/ml bFGF-stimulated and 10 µg/ml FN-modified group (magnification, ×300; scale bar, 100 µm). bFGF, basic fibroblast growth factor; FN, fibronectin.
