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Effects of treatments on skin pathology and dermal thickness in a mouse model of photoaging. Concentrated growth factor treatment improved skin pathological changes, indicated by (a) hematoxylin and eosin staining (×400) and (b) dermal thickness. P values above black columns compared with the NC group; P values above grey columns compared with respective model group.
NC, normal control; CGF, concentrated growth factor; PSR, plasma skin regeneration system irradiation.
