Spine
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Comparative Study
Imaging Comparison Between Chinese and Japanese Patients With Cervical Ossification of the Posterior Longitudinal Ligament.
A retrospective study. ⋯ 3.
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A retrospective, long-term follow-up study. ⋯ 4.
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Prospective single center study. ⋯ 3.
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A retrospective study of consecutive patients undergoing surgery for adult spinal deformity (ASD). ⋯ 4.