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. 2020 Jan 17;11(1):98. doi: 10.3390/mi11010098

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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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Biopsy sample examination processes. (a) ACE with the biopsy tool after the ex-vivo experiment. (b) Removal of the biopsy punch from the capsule. (c) Collected tissue fixation before analysis. (d) Biopsy tissue under a microscope.