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. 2021 Nov 29;9:763960. doi: 10.3389/fbioe.2021.763960

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Copyright © 2021 Ma, Buschmann, Unger and Homolka.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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HU values of unfilled base polymers used in FDM printing. (A): PLA and PLA/PBAT; (B): PET and PETG based polymers; (C,D): other polymers with attenuation lower than 50 HU, and with medium attenuation (>50 HU), respectively.