FIG. 1.
Cell viability assay. (A) ARPE-19 cells treated with 1/2×, 1×, 5×, and 10× Brimonidine and exposed to hydroquinone (HQ) 100 μM. (B) MIO-M1 cells treated with 1/2×, 1×, 5×, and 10× Brimonidine and exposed to HQ 100 μM.
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