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Representative CD31 immunostaining for vascularization at 3 months of water treated control (×100). Capillary vessels are lined with CD31+ endothelial cells. A few longitudinally oriented capillaries are shown in the central area of the graft. Capillary density was higher at the periphery of the graft. CD31 staining was similar for TS-HA treated fascia, with or without cross-linking. Nuclei were stained with DAPI
