Spine
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A bibliometric review of the literature. ⋯ 3.
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Retrospective database review. ⋯ 3.
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Randomized Controlled Trial
Do Patients With Chronic Low Back Pain Benefit From Early Intervention Regarding Absence From Work?: A Randomized, Controlled, Single-Center Pilot Study.
A randomized, controlled, single-center pilot study. ⋯ 3.
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A retrospective study. ⋯ 4.
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Cross-sectional study. ⋯ 3.