Spine
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Retrospective single-center cohort study. ⋯ 4.
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Retrospective analysis; single center data. ⋯ 3.
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Case report. ⋯ 5.
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A retrospective design. ⋯ 3.
Retrospective single-center cohort study. ⋯ 4.
Retrospective analysis; single center data. ⋯ 3.
Case report. ⋯ 5.
A retrospective design. ⋯ 3.