Morphometric Studies of the Ligamentum Flavum: A Correlative Microanatomical and MRI Study of the Lumbar Spine - Winkler, P A; Zausinger, S; Milz, S; Buettner, A; Wiesmann, M; Tonn, J C (Zentralblatt für Neurochirurgie - Central European Neurosurgery, 2007)