Spine
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Retrospective clinical study. ⋯ 4.
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A unique case report. ⋯ 5.
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Retrospective review of an administrative database. ⋯ 3.
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A case report. ⋯ 5This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivitives 3.0 License, 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. http://creativecommons.org/licenses/by-nc-nd/3.0.