Spine
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Retrospective evaluation of prospectively collected data. ⋯ 2.
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Systematic review OBJECTIVE.: To undertake a systematic review of published literature to evaluate efficacy of bone graft substitutes on radiographic and clinical outcomes in single- or double-level anterior cervical discectomy and fusion (ACDF) for degenerative disease. ⋯ 4.
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Systematic review with meta-analysis. ⋯ 1.
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A retrospective review of a prospective, multicenter database. ⋯ 3.
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A retrospective multicenter database review of 240 consecutive patients at least 21 years of age (mean 58 ± 17, range 22-79) who underwent surgery for adult spinal deformity (ASD) and were followed at least 2 years. ⋯ 4.