Spine
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Observational Study
Long-Term Course of Alternative and Integrative Therapy for Lumbar Disc Herniation and Risk Factors for Surgery: A Prospective Observational 5-Year Follow-Up Study.
Prospective observational 5-year study. ⋯ 2.
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A prospective imaging study to develop diagnostic criteria. ⋯ 3.
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Retrospective cohort analysis. ⋯ 3.
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A systematic review. ⋯ 1.
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A retrospective review. ⋯ 4.