Spine
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Retrospective cohort study. ⋯ 3.
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Seasonal Variation in the Volume of Posterior Spinal Arthrodesis Procedures for Pediatric Scoliosis.
Retrospective review of the Healthcare Cost and Utilization Project's Kids' Inpatient Database. ⋯ 4.
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Comparative Study
The Rate of Heterotopic Ossification Following Cervical Disc Arthroplasty: A Systematic Review and Comparison of Data.
Systematic review. ⋯ 2.
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A retrospective, case series. ⋯ 4.
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Retrospective database study. ⋯ 4.