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Upper panel: Picture of patient 1's leg ulcer before (A) and after (B) 8 weeks of INP therapy. Lower panel: Picture of patient 2's foot ulcers before (A) and after (B) 8 weeks of INP therapy. The pictures on the left are from the dorsum pedis (completely epithelialized after 8 weeks of INP therapy), and the pictures on the right are from the patient's heel (heel wound size after 8 weeks: 1.5 × 1.5 cm).
