Spine
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Prospective, nonrandomized study of children with congenital scoliosis. ⋯ 2.
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Retrospective medical record review. ⋯ 3.
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Retrospective database review. ⋯ 3.
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Retrospective analysis of prospectively collected, nonrandomized radiographical data. ⋯ 3.
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Retrospective case series. ⋯ 4.