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. 2023 Feb 3;10(2):197. doi: 10.3390/bioengineering10020197

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Optical microscopy of fibroblast spheroid mono-cultures of WS-1 CTRL and WS-1 COND and of fibroblast-lymphoma spheroid co-cultures of WS-1 CTRL + L428 and WS-1 COND + L428 (Ratio 2:1) at 24 h after cell seeding (4× magnification).