Research Article

[Retracted] Effects of Cisplatin Combined with Metformin on Proliferation and Apoptosis of Nasopharyngeal Carcinoma Cells

Figure 9

Cisplatin combined with metformin induced apoptosis of CNE1 cells. Note: a indicates vs. the control group; b indicates vs. cisplatin; c indicates vs. cisplatin+0.5 mM metformin; d indicates vs. cisplatin+1 mM metformin.