Spine
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A case report and review of the literature. ⋯ 5.
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A prospective comparison. ⋯ 2.
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Comparative Study
Comparing NIS and NSQIP: An Independent Risk Factor Analysis for Risk Stratification in Anterior Cervical Discectomy and Fusion.
Retrospective study of prospectively collected data. ⋯ 3.
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Retrospective analysis of national insurance billing database. ⋯ 3.