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(A, B) Non‐grafted wound: dermal wounds of 4 mm diameter were created at the center of a 12 mm skin specimen with a punch biopsy cutting only through the epidermis and upper dermis. (C, D) Grafted wound: a thru hole was pierced at the center of the wound with a sterile 15‐gauge needle, and a 1 mm diameter full‐thickness skin biopsy (black arrows) was grafted into this hole. Scale bar is 2 mm.
