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Cell viability of MCF-7 and HUVEC after 48 h of incubation with the combinations of nisin (10 μg.mL-1) and doxorubicin (6 or 25 μg.mL-1). The vertical bars indicate the standard deviations (n = 4). Asterisks indicate the means which were significantly different (p < 0.05) from the control (cells were incubated with doxorubicin alone).
