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. 2017 Nov 16;39(1):160–172. doi: 10.3892/or.2017.6100

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Copyright: © Busch 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 7. — Effect of etoposide resistance on RB cell colony formation capacity. (A) Quantification of soft agarose assays showing a significant lower capacity of etoposide-resistant RB cell lines to form colonies. (B) Images captured from soft agarose colonies at the day of seeding (day 0) and after 3 weeks in culture revealing that etoposide-resistant (Etop) RB cells formed considerably smaller colonies than control cells (Ctr). Values are means from 3 independent experiments ± SEM; **P<0.01 compared to the control group calculated by Student's t-test, ***P<0.001.