Spine
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Multicenter Study
Novel Nomograms as Aids for Predicting Recurrence and Survival in Chordoma Patients: A Retrospective Multicenter Study in mainland China.
A retrospective data analysis was performed. ⋯ 4.
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Comparative Study
A Comparative Study Between Minimally Invasive Spine Surgery and Traditional Open Surgery for Patients with Spinal Metastasis.
A retrospective study was conducted. ⋯ 3.
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Retrospective cohort study. ⋯ 3.