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. 2019 Jan 5;132(1):51–62. doi: 10.1097/CM9.0000000000000030

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Copyright © 2018 The Chinese Medical Association, produced by Wolters Kluwer, Inc. under the CC-BY-NC-ND license.

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0

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Stained undecalcified sections showing new bone formation associated with osteonecrosis in (A) autograft and (B) porous tantalum interface (hematoxylin and eosin staining, ×50). Cartilage formation (triangles) and endochondral ossification (arrows) associated with necrotic bone (pentagrams) and cement lines (dovetails) representing the process of bone remodeling. No implant degradation, bone resorption or significant local inflammation response was observed in tissue adjacent to the tantalum implant.