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. 2022 Feb 22;14(5):855. doi: 10.3390/polym14050855

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© 2022 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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Total color differences before and after the sterilization of the 3D printed samples of (a) PLA, (b) PETG+CF, and (c) CPE-based samples. ^a–c Different letters show statistically significant differences between formulations (p < 0.05).