1. Radiology of lumbar spinal stenosis;Baddeley,1976
2. Lumbar vertebral canal morphometry for computerized tomography in spinal stenosis;Eisenstein;Spine,1983
3. Spinal canal stenosis. Concept of spinal reserve capacity. Radiology measurements and clinical applications;Weisz;Clin Orthop Relat Res,1983
4. Radiographic versus direct measurement of the spinal canal at lumbar vertebrae L3-L5 and their relations to age and body stature;Leiviska;Acta Radiol (Diagn),1985
5. Morphometric of lower lumbar vertebrae as seen on CT scans: newly recognized characteristics;Van Schaik;AJR,1985