Spine
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Multicenter Study Observational Study
Anterior Trunk Mobility Does Not Predict Disability in Elderly Women with Acute Low Back Pain: Brazilian Back Complaints in the Elders (BACE-Brazil) Study Results.
Cross-sectional, ancillary study of an international multicenter epidemiological study. ⋯ N/A.
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Multicenter Study
Orientation of the Upper-Most Instrumented Segment Influences Proximal Junctional Disease Following Adult Spinal Deformity Surgery.
Retrospective review of a prospective database. ⋯ 3.
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Multicenter Study Comparative Study
Do occupational Risks for Low Back Pain Differ from Risks for Specific Lumbar Disc Diseases? Results of the German Lumbar Spine Study (EPILIFT).
A multicenter, population based, case-control study. ⋯ 4.