Spine
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Literature review. ⋯ 2.
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This is a systematic literature review following the Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines. ⋯ 1.
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Observational Study
Does Duration of Pain at Baseline Influence Clinical Outcomes of Low Back Pain Patients Managed on an Evidence-based Pathway?
Longitudinal observational study. ⋯ 3.