Spine
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Prospective cohort study. ⋯ 3.
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A bibliometric analysis. ⋯ 5.
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Propensity score matched analysis of a multi-center prospective adult spinal deformity (ASD) database. ⋯ 3.
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Retrospective. ⋯ 3.
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A retrospective case series study with at least 10 years of follow-up data. ⋯ 3.