Spine
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Biomechanical study in a porcine model. ⋯ N/A.
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Analysis of population-based national hospital discharge data collected for the Nationwide Inpatient Sample database. ⋯ 3.
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Randomized Controlled Trial
The difference in superior adjacent segment pathology after lumbar posterolateral fusion by using 2 different pedicle screw insertion techniques in 9-year minimum follow-up.
A prospective study was performed. ⋯ 3.
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A systematic review and meta-analysis of randomized controlled trials. ⋯ 1.
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Prospective study. ⋯ 3.