1. Spondylolisthese, pseudospondylolisthese and wirbelverschlebing nach hinten;Junghanns;Beitr. Z. Kin. Chir.,1931
2. Degenerative spondylolisthesis with intact neural arch;Epstein;Radiol. Clin. North Am.,1977
3. Degenerative lumbar spondylolisthesis with intact neural arch;Epstein;J. Neurosurg.,1976
4. Computed Tmography/multiplanar reformatted (CT/MPR) examinations of the lumbar spine;Glenn,1982
5. Spondylolisthesis with an intact neural arch-the so-called pseudo-spondylolisthesis;MacNab;J. Bone Joint Surg.,1950