Spine
-
Prospective cohort study. ⋯ 3.
-
A controlled radiologic follow-up study. ⋯ 2.
-
Systematic review. ⋯ 2.
-
A prospective cohort study. ⋯ 3.
-
A cross-sectional study. ⋯ 3.
Prospective cohort study. ⋯ 3.
A controlled radiologic follow-up study. ⋯ 2.
Systematic review. ⋯ 2.
A prospective cohort study. ⋯ 3.
A cross-sectional study. ⋯ 3.