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. 2017 Dec 8;9(2):2158–2174. doi: 10.18632/oncotarget.23187

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Copyright: © 2018 Li et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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(A) Tumor volume during metformin treatments. (B, C) The overall view and weight of the isolated MCF7/ADR tumors in the end of the treatments. Mice receiving intratumoral injection of physiological saline were regarded as control group. (^*P < 0.05, compared with control group). (D) Immunofluorescence staining of Ki67 in MCF7/ADR tumor tissues. Bar = 100 μm.