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Viability of the cells in MTT assay; cultured human skin fibroblasts were exposed for 24 hours to 25 mM, 50 mM, or 100 mM ethanol or to 25 mM, 50 mM, or 100 mM ethanol +500 µg/mL HA. *P<0.05.
Abbreviations: HA, hyaluronic acid; MTT, methyl thiazolyl tetrazolium.
