Figure 1.

The effects of Naringenin after (A) 24 h and (B) 48 h, cyclophosphamide after (C) 24 h and (D) 48 h, and their combination after (E 24 h and (F) 48 h, on the cell viability of MDA-MB-231 cells. The presented results are the mean ± SD of at least three individual experiments. ^*P < 0.05, ^*P < 0.01, ^***P < 0.001