Spine
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A retrospective database study. ⋯ 3.
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Human volunteers were exposed experimentally to single-sided mechanical shocks (SSMS) and double-sided mechanical shocks (DSMS) while seated. ⋯ 4.
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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.