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. 2021 Jul 30;8(5):rbab043. doi: 10.1093/rb/rbab043

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© The Author(s) 2021. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — FTIR and Raman spectroscopy. Typical (A) FTIR spectra and (B) Raman spectra of PLLA, PLLA/gelatine, DOX-loaded PLLA and DOX-loaded PLLA/gelatine membranes.