Spine
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Systematic review with meta-analysis. ⋯ 1.
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Prospective cross-sectional study. ⋯ 2.
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Cross-sectional. ⋯ N/ A.
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A retrospective analysis. ⋯ 4.
Systematic review with meta-analysis. ⋯ 1.
Prospective cross-sectional study. ⋯ 2.
Cross-sectional. ⋯ N/ A.
A retrospective analysis. ⋯ 4.