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. 2022 Sep 22;13(10):1575. doi: 10.3390/mi13101575

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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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Boxplot of the scores (out of 20) achieved by 3D printing and control groups in Quiz 1 and Quiz 2. 3DPHM-3D printed heart model. Reprinted with permission under open access from Lau and Sun [27].