Spine
-
Case-control study. ⋯ 4.
-
A retrospective cohort study with medical record review. ⋯ 3.
-
Human cadaveric biomechanical study. ⋯ N/A.
Case-control study. ⋯ 4.
A retrospective cohort study with medical record review. ⋯ 3.
Human cadaveric biomechanical study. ⋯ N/A.