Spine
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A retrospective cohort review. ⋯ 3.
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A population-based cross-sectional survey. ⋯ 2.
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A retrospective study. ⋯ 4.
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This study examines the links between severity of whiplash associated disorder and costs and health outcomes. ⋯ 3.
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Retrospective study. ⋯ 3.