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. 2018 Jun 7;17:1533033818780088. doi: 10.1177/1533033818780088

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© The Author(s) 2018

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (http://www.creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Transfection efficiency 24 hours after electrotransfer of plasmid DNA (pDNA) to spheroids with Plasmid DNA encoding enhanced green fluorescent protein (pEGFP) determined by (A) fluorescence and (B) confocal microscope and (C) by flow cytometry. Red Dots (Panel A and B) indicate approximate borders of the spheroid. *Statistically significant difference compared to all other groups (P < .05).