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Comparison of the relationship between different laser powers and wound depth with volume. (A1) The hole depth after irradiation is about 420 μm in 120 mJ/cm2 laser power, (B1) 240 μm in 80 mJ/cm2 laser power, and (C1) 220 μm in 40 mJ/cm2 laser power. (A2) The volume after irradiation is about 2.6 million μm3 in 120 mJ/cm2 laser power, (B2) 0.9 million μm3 in 80 mJ/cm2 laser power, and (C2) 0.7 million μm3 in 40 mJ/cm2 laser power. The black star indicates the irradiated epidermal area.
