Spine
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Retrospective case-controlled study using propensity score matching. ⋯ 4.
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Retrospective evaluation of radiographs. ⋯ 4.
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International validation study. ⋯ 4.
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This study was a retrospective chart review to determine characteristics of patients under-immobilized by prehospital providers. ⋯ 4.
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Medical economic model with multi-way sensitivity analysis. ⋯ 2.