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. 2019 Jun 6;20(2):887–894. doi: 10.3892/mmr.2019.10369

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Copyright: © Xiong 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 1. — Detection of effect of metformin on the survival rate of A172 glioma cells by an MTT assay (%). *P<0.05 vs. the control group; **P<0.01 vs. the control group. MTT, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide.