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. 2019 Apr 12;4:160–166. doi: 10.1016/j.bioactmat.2019.03.002

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© Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing,.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 3 — (A) The relative cell viability of PA, PA/Fe₃O₄ and PA/Fe₃O₄/DS. (B) The picture of the subcutaneous implanting experiments. (C) H&E staining results of the subcutaneous implanting experiments after 7, 14 and 28 days. The triangles indicated the inflammatory cells and the asterisks indicated the fibroblasts. Bar scales = 200 μm.