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. 2014 Jul 23;103(3):709–717. doi: 10.1002/jbm.b.33243

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© 2014 The Authors. Journal of Biomedical Materials Research Part B: Applied Biomaterials Published by Wiley Periodicals, Inc.

This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Polarization microscopy image (H&E, 20×) showing birefringent PE particles (red arrows) in the tissue (case no. 9). Metal degradation products appear in black (green arrows).