Spine
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Retrospective study of prospectively collected data OBJECTIVE.: The aim of this study was to assess the impact of resident surgeon involvement on patient outcomes following posterior cervical fusion (PCF) surgery. ⋯ 3.
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A prospective randomized double blind placebo controlled trail. ⋯ 2.
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Prospective, observational cohort study. ⋯ 2.
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A retrospective cohort study was performed. ⋯ N/A.