Spine
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Cross-sectional design. ⋯ 2.
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Prospective, multicenter. ⋯ 2.
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A retrospective review. ⋯ 3.
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Retrospective chart review with limited prospective follow-up survey. ⋯ 4.
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A case-control association study was performed to investigate the relationship between ladybird homeobox (LBX1) and adolescent idiopathic scoliosis (AIS) in northern Chinese Han population. ⋯ 3.