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(a) Effects of the BG/SA hydrogel on polarization of RAW cells [165]. Adapted reprinted with permission from Ref. [165], License Number: 5,795,401,020,807. Copyright © 2020 Elsevier Ltd. All rights reserved. (b) Modulation of macrophages by a paeoniflorin-loaded hyaluronic acid-based hydrogel (HA-PF) promoting diabetic wound healing [166]. Adapted reprinted with permission from Ref. [166], License Number: 5,795,410,099,637. Copyright © 2021 The Author(s). Published by Elsevier Ltd.
