Spine
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Longitudinal cohort. ⋯ 2.
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This study by Srikandarajah et al is a retrospective cohort study of 200 CES patients. Although parts of the study appear to be well done we identified serious problems that impacted their conclusions. ⋯ N/A.
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Prospective unicentral nonrandomized study. ⋯ 3.
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A longitudinal study using biplane radiography to measure in vivo intervertebral range of motion (ROM) during dynamic flexion/extension, and rotation. ⋯ 3.
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A prospective cohort study. ⋯ 3.