Spine
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Retrospective matched pair cohort study using prospectively collected registry data. ⋯ 3.
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Review Meta Analysis Comparative Study
Comparison of Outcomes for Anterior Cervical Discectomy and Fusion with and without Anterior Plate Fixation: A Systematic Review and Meta-Analysis.
Systematic review and meta-analysis. ⋯ 3.
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Prospective study. ⋯ 3.
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Cross-sectional, observational study. ⋯ 3.