Spine
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A retrospective cohort study. ⋯ 3.
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Comparative Study Observational Study
The Incidence, Clinical Features, and a Comparison Between Early and Delayed Onset of Postoperative Spinal Epidural Hematoma.
A retrospective observational study. ⋯ 4.
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A prospective cross-sectional study. ⋯ 3.
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A prospective single-center study. ⋯ 5.
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A case report. ⋯ 4.