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. 2019 Aug 14;12(16):2584. doi: 10.3390/ma12162584

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© 2019 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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Coefficient of variation curves of the coefficient of absorption for the different groups of analyzed samples: (a) Group L1–C1; (b) Group L1–C4; (c) Group L2–C1; (d) Group L2–C2; (e) Group L2–C3; (f) Group L3–C1.

Coefficient of variation curves of the coefficient of absorption for the different groups of analyzed samples: (a) Group L1–C1; (b) Group L1–C4; (c) Group L2–C1; (d) Group L2–C2; (e) Group L2–C3; (f) Group L3–C1.