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. 2021 Sep 24;14:1343–1350. doi: 10.2147/CCID.S332265

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© 2021 Qu et al.

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Laser confocal fluorescence observation results. (A) Before picosecond laser treatment. (B) 4 h after the first picosecond laser treatment. (C) 15 d after the first picosecond laser treatment. (D) 15 d after the second picosecond laser treatment.