Spine
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Retrospective review. ⋯ 3.
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Observational Study
Diagnostic Efficacy, Sensitivity and Specificity of Xpert MTB/RIF assay for Spinal Tuberculosis and Rifampicin Resistance.
A cross-sectional observational study. ⋯ 4.
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Prospective cohort study. ⋯ 3.
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A case-control study. ⋯ 4.
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Retrospective observational study. ⋯ 4.