Spine
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Ambispective cohort review. ⋯ 3.
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A prospective evaluation of cardiorespiratory function following spinal fusion in adolescent idiopathic scoliosis (AIS). ⋯ 3.
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Retrospective study. ⋯ 4.
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A retrospective review of Centers for Medicare and Medicaid Services Database. ⋯ 3.