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. 2020 Apr 19;13(8):1924. doi: 10.3390/ma13081924

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© 2020 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 (http://creativecommons.org/licenses/by/4.0/).

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Average ILSS-displacement curves of the PLA and PLA-CF 3D printed samples. Optical micrographs showing details of the fractured surfaces after testing are included for comparative purposes.