Spine
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Retrospective. ⋯ 3.
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Videoflurographic swallowing study in asymptomatic volunteers. ⋯ 4.
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Retrospective comparative cohort study. ⋯ 4.
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Observational Study
Augmented Reality Surgical Navigation in Spine Surgery to Minimize Staff Radiation Exposure.
Prospective observational study. ⋯ 3.
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An experimental laboratory-based biomechanical study. ⋯ N/A.