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Quantitative analysis of epidermal regeneration by acupuncture in wound area. Histological analysis was shown into PCNA and α-SMA staining at 7 days after wounding (a–f). The numbers of PCNA/α-SMA-labeled cells present were quantified in wound area (g). At 7 days after-wounding, the PCNA/α-SMA-labeled cells were decreased compared to the control group. Data are expressed as mean ± SD, *P < 0.05, Scale bars denote, 50 μm.
