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Figure 3: HepG2 cell viability under various concentrations (3.125, 6.25, 12.5, 25, 50, and 100 µg/mL) of Clinacanthus nutansmethanolic extract (a) and SME (b) with 10 min photodynamic therapy or without photodynamic therapy. Each data point was expressed as mean ± standard deviation with n = 4. Means with a common letter are significantly similar, P < 0.05 |
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