Spine
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A systematic review. ⋯ 3.
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Prospective observational cohort study. ⋯ 4.
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Comparative Study
Comparison between Minimally Invasive Surgery and Conventional Open Surgery for Patients with Spinal Metastasis: A Prospective Propensity Score-Matched Study.
Prospective propensity score-matched study. ⋯ 3.
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Cross-sectional study. ⋯ 5.
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A retrospective database review. ⋯ 4.