Spine
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Retrospective analysis. ⋯ 4.
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A retrospective review of radiographic data and functional outcomes. ⋯ 3.
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A retrospective review (2001-2014) was conducted using prospectively collected data at a level I trauma center. ⋯ 3.
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Retrospective cohort study. ⋯ 3.
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Observational Study
Correction of Paradoxical Ribcage Motion in Scoliosis by Non-Invasive Ventilation.
Observational study of ribcage motion in scoliosis. ⋯ 2.