Spine
-
Case report. ⋯ 5.
-
A retrospective study. ⋯ 3.
-
Comparative Study
Utility of Flexion-Extension Radiographs in Lumbar Spondylolisthesis: A Prospective Study.
Prospective cohort study in consecutive patients. ⋯ 2.
-
Retrospective cohort analysis of a prospective registry. ⋯ 3.
-
Longitudinal cohort. ⋯ 2.