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Histological images of rat skin wounds treated with 500 µL of PBS (W0, control), 0.5 mg/mL EPS (W1), 1 mg/mL EPS (W2), or 5 mg/mL EPS (W3) per day. Sections were stained with hematoxylin and eosin and observed by using a Carl Zeiss microscope (Axio Imager. A2, Germany).
