Spine
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Retrospective cohort study. ⋯ 3.
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A prospective case series analysis. ⋯ 3.
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Secondary analysis of the Back Pain Outcomes using Longitudinal Data (BOLD) cohort study. ⋯ 3.
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Observational Study
Investigation the Effect of Cervical Radiculopathy on Peripheral Nerves of the Upper Extremity with High-Resolution Ultrasonography.
Prospective, cross-sectional observational study. ⋯ 2.
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Retrospective radiographic study. ⋯ 3.