Spine
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A retrospective observational study. ⋯ 3.
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A retrospective study. ⋯ 4.
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Retrospective case series. ⋯ 4.
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Multicenter Study
Validity, Reliability, and Responsiveness of SRS-7 as an Outcomes Assessment Instrument for Operatively Treated Patients with Adult Spinal Deformity.
A retrospective analysis. ⋯ 3.