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In vivo infected wound healing studies of the hydrogels. (A) Photographs of wounds treated with the different materials on days −1, 3, 7, 10 and 14. (B) Wound healing ratio under the treatment of different dressings on different days. (C) HE staining and Masson staining on days 3, 7, and 14 of the newly regenerated skin tissues for each group.
