Spine
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Retrospective cohort study. ⋯ 4.
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This cohort study was an analysis of prospectively collected data in the DaneSpine Database. ⋯ 3.
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Cross-sectional cohort. ⋯ 3.
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Comparative Study
Spinal Cord Stimulators: A Comparison of the Trial Period Versus Permanent Outcomes.
A retrospective chart review. ⋯ 4.