Spine
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A systematic review. ⋯ 3.
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A cross-sectional survey with a longitudinal follow-up. ⋯ 2.
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This is a multicenter retrospective review of prospectively collected cases. ⋯ 3.
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Comparative Study
Comparison of 3 reconstructive techniques in the surgical management of patients with 4-level cervical spondylotic myelopathy.
Retrospective clinical series. ⋯ 4.
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Secondary analysis of data from a concurrent randomized trial and cohort study. ⋯ 2.