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CCM treated murine full-thickness skin wound shows faster wound closure. A Representative images of wound closure on day 0, 7, and 14 post-treatment of four test groups (serum-free, 10% serum, M2-CM and M2-hFDM-CM) (n = 6 each group), respectively. B Measurement of wound closure ratio (%) at specific time points. Scale bar is 6 mm. Statistically significant difference (*p < 0.05, **p < 0.01)
