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. 2019 Jun 6;20(2):1333–1342. doi: 10.3892/mmr.2019.10363

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Copyright: © Xia et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 2. — Lidocaine induces the apoptosis of retinoblastoma cells. Y79 cells were treated with control or lidocaine (500 and 1,000 µM). Flow cytometry was performed at 24 and 48 h to determine the apoptosis of cells. Early apoptosis (Q4) and late apoptosis (Q2) were calculated and the apoptosis rate was presented. Data are presented as the mean ± standard deviation of three independent experiments performed in triplicate. **P<0.01 vs. control. FITC, fluorescein isothiocyanate; PI, propidium iodide.