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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 (https://creativecommons.org/licenses/by/4.0/).
SEM images of fibroblast cell proliferation on the scaffolds after 3 days incubation. Cell growth was examined by SEM at a magnification of 2× and 5× (scale bar 2 μm and 20 μm).