Spine
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Systematic review and meta-analysis. ⋯ 4.
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Prospective cohort study. ⋯ Diagnostic Level 2.
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Retrospective radiographic analysis. ⋯ Atlas occipitalization with, and without, AAD results from a distinctly different bony morphology at the craniovertebral junction. The novel classification system based on reconstructed CT images may be useful in prognosticating AAD in the setting of atlas occipitalization.
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Meta Analysis
Incidence of Heterotopic Ossification at 10 years after Cervical Disc Replacement: A Systematic Review and Meta-analysis.
Systematic review and meta-analysis. ⋯ 3.