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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 4. — Effect of etoposide and cisplatin resistance on apoptosis levels in retinoblastoma cell lines. (A) Comparative quantification of DAPI and TUNEL cell counts of etoposide-resistant RB cell lines (Etop) compared to their parental counterparts (Ctr). (B) Comparative quantification of DAPI and TUNEL cell counts of cisplatin-resistant RB cell lines (CisPt) compared to their parental counterparts (Ctr). Values are means from 3 independent experiments ± SEM; **P<0.01, ***P<0.001 compared to the control group calculated by Student's t-test.