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Fluorescence micrographs showing dura fibroblasts migrated from peripheral region towards the center for 7 days on (A, B) fibronectin-coated scaffolds of radially aligned nanofibers and (C, D) DuraMatrix-Onlay™ collagen dura substitute membrane. In (A), the non-uniformity in cell distribution was probably caused by the slight difference in nanofiber density.
