Spine
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Prospective cross-sectional study. ⋯ 3.
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A retrospective analysis of population-based national hospital discharge data collected for the Nationwide Inpatient Sample. ⋯ 3.
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A case-control study. ⋯ 4.
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A case-control study of animal model of Modic changes (MCs) on rabbits. ⋯ N/A.