Research Article

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

Figure 8

Metformin alone induced apoptosis of CNE1 cells. Note: a indicates vs. the control group; b indicates vs. 0.5 mM metformin; c indicates vs. 1 mM metformin.