Spine
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A dissection-based study of 10 fresh-frozen human cadavers. ⋯ 3.
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Retrospective large population based-study OBJECTIVE.: Assessment of the epidemiologic trends and economic burden of first spinal fusions. ⋯ 4.
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Case report. ⋯ N/A.
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Retrospective comparative study. ⋯ 4.
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Nonrandomized trial. ⋯ N/A.