Spine
-
A prospective, single-arm, pre-postintervention study. ⋯ 4.
-
Cross-sectional observational study on the relationship between the degrees of disc degeneration and sagittal alignment in asymptomatic healthy individuals. ⋯ 3.
-
Retrospective cohort analysis. ⋯ 4.
-
A retrospective observational study. ⋯ 3.