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. 2018 Mar 15;476(6):1240–1249. doi: 10.1007/s11999.0000000000000245

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© 2018 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the Association of Bone and Joint Surgeons

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.

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Fig. 3 A-B — This is an illustration of the modified Kerboul grade. (A) The necrotic angle is in the midcoronal image, and (B) the necrotic angle is in the midsagittal image.