Spine
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Multicenter Study Observational Study
Neurologic Outcomes of Complex Adult Spinal Deformity Surgery: Results of the Prospective, Multicenter Scoli-RISK-1 Study.
Prospective, multicenter, international observational study. ⋯ 3.
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A retrospective cohort study by using the Taiwanese National Health Insurance Research Database (NHIRD). ⋯ 4.
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Cross-sectional study with subsample of elderly women with acute low back pain (LBP), from Back Complaints in the Elders-Brazil (BACE-Brazil) ⋯ 5.
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A study of lumbar ligamentum flavum (LF). ⋯ 3.
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A retrospective cohort. ⋯ 3.