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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/).
Representative stress-strain curves obtained in the static compression test for P. margaritifera performed along ND and LD (a) and SEM/SE images of the samples after static compression test for loads applied along ND (b) and LD (c).