Spine
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Retrospective study. ⋯ 4.
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Prospective database analysis. ⋯ 4.
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Randomized Controlled Trial
Neck-Related Headache in Patients With Cervical Disc Disease After Surgery and Physiotherapy: A 1-Year Follow-up of a Prospective Randomized Study.
A prospective randomized multicenter trial. ⋯ 2.
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Multicenter Study
Clinical Performance and Concurrent Validity of the Adult Spinal Deformity Surgical Decision-making Score.
Multicenter, retrospective study. ⋯ 3.
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Nationwide Readmissions Database Study. ⋯ 3.