Spine
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This is a retrospective cohort study. ⋯ 4.
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Retrospective cohort study. ⋯ 3.
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A retrospective clinical and radiographic study. ⋯ 4.
This is a retrospective cohort study. ⋯ 4.
Retrospective cohort study. ⋯ 3.
A retrospective clinical and radiographic study. ⋯ 4.