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. 2021 Jun 2;13(11):1851. doi: 10.3390/polym13111851

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© 2021 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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Polarized optical micrograph of PLLA/PDLA blends with different ratio (a) neat PLLA, (b) neat PDLA, (c) PLLA/PDLA (9/1), (d) PLLA/PDLA (8/2), (e) PLLA/PDLA (7/3), (f) PLLA/PDLA (6/4), (g) PLLA/PDLA (5/5).