Spine
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Prospective multicenter study of adult spinal deformity (ASD) surgery. ⋯ 4.
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Retrospective cohort. ⋯ 4.
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Retrospective database review. ⋯ 3.
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Cervical decompression (CD) and cervical fusion (CF) patients in 5% Medicare Part B claims data. ⋯ 3.