title: An objective assessment of operative fusions of the lumbo-sacral spine.
mesh_terms: D000328:Adult; D001415:Back / Q000503:physiopathology; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D013123:Spinal Fusion