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Immunohistochemical (IHC) evaluation of the suppressor of cytokine signalling 4 (SOCS4) protein in healing/healed wounds (top three panels) and non-healing wounds (bottom three panels). Each group shows representative images from the collected biopsies, which are strong staining, moderate staining and different protein distribution between wound edge and distal area at two magnifications (×10 and ×20) within the sections.
