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Adipose-derived stem cells (ASCs) or dermal fibroblasts (DFs) wound scars were thicker than collagen gel alone. (A) At 28 days after surgery, whitish scars of collagen gel (a), ASCs in collagen gel (b) or DFs in collagen gel (c) wounds were harvested and processed for histological examination. (B) The thickness of dermal portion of wound scars was measured with an image analysis program. The values shown are the means±SEM of 4 mice per group (H&E, ×200). *p<0.05 vs. collagen gel group.
