Spine
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Comparative Study
Comparing Health Related Quality of Life Outcomes in Patients Undergoing Either Primary or Revision Anterior Cervical Discectomy and Fusion.
A retrospective review of prospectively collected data. ⋯ 2.
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Multicenter Study Comparative Study
Analysis of Successful vs. Failed Radiographic Outcomes following Cervical Deformity Surgery.
Prospective multicenter cohort study with consecutive enrollment. ⋯ 3.
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Multicenter Study
A Multicenter Radiographic Evaluation of the Rates of Preoperative and Postoperative Malalignment in Degenerative Spinal Fusions.
Multicenter, retrospective, institutional-review-board -approved study at 18 institutions in the United States with 24 treating investigators. ⋯ 3.
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A retrospective study. ⋯ 3.