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Application of HD-AM. (a) Experimental groups. Left: HD-AM was not used in the control group (HD-AM (-) group), in which only the polyurethane foam dressing and stainless mesh were used to cover the injured site. Right: HD-AM was placed over the full-thickness skin excision site with the epithelial side facing upwards (HD-AM group). (b) Scheme of full-thickness skin excision site covered with HD-AM. HD-AM hyperdry human amniotic membrane
