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Images represent the expression levels of osteoinductive marker protein BSP in the calvarial sections from the demineralized calvarial samples of defects treated with alginate hydrogels (+/− FEEs) and alginate-RGD hydrogels +/− FEEs at 4- and 8-weeks post wounding. Scale bar represents 50μm in all images. In all images red represents BSP presence in the section and the nuclei are stained in blue.
