Hur, Junseok W Radiological significance of ligamentum flavum hypertrophy in the occurrence of redundant nerve roots of central lumbar spinal stenosis. [electronic resource] - Journal of Korean Neurosurgical Society Sep 2012 - 215-20 p. digital Publication Type: Journal Article ISSN: 1598-7876 Standard No.: 10.3340/jkns.2012.52.3.215 doi