Spine
-
Retrospective review of institutional data. ⋯ 4.
-
Retrospective analysis of prospectively collected data. ⋯ 3.
-
Ovine in vivo study. ⋯ N /A.
-
A retrospective, matched cohort study. ⋯ 4.
Retrospective review of institutional data. ⋯ 4.
Retrospective analysis of prospectively collected data. ⋯ 3.
Ovine in vivo study. ⋯ N /A.
A retrospective, matched cohort study. ⋯ 4.