Spine
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Retrospective analysis of prospective data. ⋯ 4.
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Reliability study of radiographic measures of proximal junctional kyphosis (PJK) in patients with adult spinal deformity (ASD). ⋯ 4.
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A retrospective database review. ⋯ 3.
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Retrospective comparative study. ⋯ 3.
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Observational Study
Bone Turnover Markers as a New Predicting Factor for Non-union After Spinal Fusion Surgery.
Retrospective observational study. ⋯ 4.