Spine
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A case-control study. ⋯ 4.
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A randomized complete block animal spinal implant infection model with internal control. ⋯ 2.
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A case-control study of animal model of Modic changes (MCs) on rabbits. ⋯ N/A.
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A pooled patient-level analysis of two multicenter randomized controlled trials and one multicenter single-arm prospective trial. ⋯ 1.