Spine
-
A retrospective cohort study with prospectively collected data. ⋯ 3.
-
Retrospective cohort study. ⋯ 4.
-
A retrospective study of patients undergoing anterior cervical discectomy and fusion (ACDF) in the prospective National Surgical Quality Improvement Program (NSQIP) database. ⋯ 3.
-
A finite element analysis. ⋯ N/A.