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. 2020 Sep 26;36(5):1047–1057. doi: 10.1007/s10103-020-03145-5

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© The Author(s) 2020

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Fig. 1 — Cell viability measurement. HaCaT viability after irradiation with laser and after treatment with HCC and H-HA measured by the MTT assay. Results were considered significantly different for ptukey < 0.05 # vs CTR, * vs CTR + LASER, § vs HCC, ° vs HCC + LASER, $ vs HHA, & vs HHA + LASER for each of the 4 families compared (tables in supplementary files)