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(A,C) Immunofluorescence staining of CD31 and Ki67 in skin wound tissues on day 14 (amplification, ×10) and quantitative analysis of the relative coverage area (B,D); Wound tissues were harvested at day 3 after different treatments, and the concentrations of chemokines TNF-α (E) and IL-6 (F) in wound tissues were determined by ELISA.
