Spine
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Systematic review and meta-analysis. ⋯ 2.
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Observational Study
Preoperative Opioid Use is a Predictor of Poor Return to Work in Workers' Compensation Patients after Lumbar Diskectomy.
A retrospective cohort. ⋯ 3.
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A retrospective database study. ⋯ 3.
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Single-center retrospective analysis of consecutively collected data. ⋯ 3.