Spine
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Retrospective analysis of Medicare claims linked to hospital participation in the Center for Medicare and Medicaid Innovation's episode-based Bundled Payment for Care Improvement (BPCI) program for lumbar fusion. ⋯ 3.
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A retrospective study. ⋯ 4.
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A cross-sectional survey in the Netherlands and Sweden. ⋯ 3.
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A magnetic resonance imaging study of human cadaver spines. ⋯ N/A.
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A case-control study. ⋯ 2.