Clinical spine surgery
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    Clinical spine surgery · Dec 2020 The Impact of Multiple Comorbid Mental Health Disorders on Health-related Quality of Life Following ACDF.Retrospective comparative study. ⋯ Level III. 
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    Clinical spine surgery · Dec 2020 Impact of Tobacco Smoking on Outcomes After Posterior Decompression Surgery in Patients With Cervical Spondylotic Myelopathy: A Retrospective Multicenter Study.This was a case-control study. ⋯ Level III. 
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    Clinical spine surgery · Dec 2020 Industry Payments to Orthopedic Spine Surgeons Reported by the Open Payments Database: 2014-2017.This was a retrospective study of publicly available data. ⋯ Level III. 
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    Clinical spine surgery · Dec 2020 Predictors of Outcomes After Single-level Anterior Cervical Discectomy and Fusion for Cervical Spondylotic Myelopathy: A Multivariate Analysis.This was a retrospective study that was carried out using prospectively collected registry data. ⋯ Level III-Non-randomized controlled cohort/follow-up study.