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Growth inhibition of human skin cancer cells by LCH. (A) The chemical structure of licochalcone H (LCH). (B, C) The viability of skin cancer cell lines A375 and A431 treated with 0, 5, 10, 20, and 30 μM of LCH for 24 and 48 h was measured using the MTS reagent. The data represent mean percentages ± SD (n=3; *p<0.05, **p<0.01, ***p<0.001 compared to the control group).
