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Fold changes in dermal thickness of the grafted skin, the distance was measured from the stratum corneum to the dermal–fat junction in five randomly selected sites/field. No scratch grafts (circle), scratch before grafting (square), and scratch after grafting (triangle). #p < 0.05 compared between the scratch before grafting and no scratch group at the same time point. *p < 0.05 compared between the scratch after grafting and no scratch group at the same time (n = 4).
