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HE staining of skin defects treated with different treatments at 14 days. (A) Blank control group, (B) blank gel group, (C) dexamethasone group, and (D) Cur/HA hydrogel group. HE staining at 100×. HE, hematoxylin-eosin; RE, re-epithelialized; IC, inflammatory cell; GT, granulation tissue; UL, ulcer; BV, blood vessel; Cur, curcumin; HA, hyaluronic acid.
