Spine
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Retrospective case series to investigate the result of a new C3 dome-hybrid open-door laminoplasty technique. ⋯ 3.
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Retrospective. ⋯ 2.
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Comparative Study
Update of Markov Model on the Cost-Effectiveness of Nonpharmacologic Interventions for Chronic Low Back Pain Compared to Usual Care.
Markov model. ⋯ N/A.
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Four-year, longitudinal cohort study. ⋯ 3.
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Observational cross-sectional study. ⋯ 4.