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Morphology of aligned PLA fibres: (a) non-sterilized, (b) sterilized by ethylene oxide, (c) sterilized by UV radiation, (d) sterilized by gamma-rays radiation. Reprinted with permission from T.A.M. Valente, D.M. Silva, P.S. Gomes et al., ACS Appl. Mater. Interfaces 2016, 8, 3241–3249 [35]. Copyright 2016 American Chemical Society.
