2Nazarian S. Spondylolisthesis and spondylolytic spondylolithesis. A review of current concepts onpathogenesis, history, clinical symptoms imaging and therapeutic management [J]. European Spine. 1992.1:62-65.
3Wiltse LL,Newman PH,MacNab I. Classification of spondylolysis and spondylolisthesis[J]. Clin Orthop, 1976,117:92-93.
4Marchetti PG,Barlotozzi P. Spondylolisthesis:mordern trends in orthopaedic surgery[M]. In Gaggi A. (ed).Bologna, 1982.20- 24.
5Fernhough JC,Schimandle JH,Levine AM. Latrogenic spondylolysis complicating distal laminar hook place ment[J]. A report of tow case. spine, 1991,7(16) :849 -851.
6Kazuhiro S,Yoshihiro I.Kazuo O. Spondylolysis after posterior decompression of the lumbar spine. 35 pa tients followed for 3～9 years[J]. Acta Orthop Scand, 1993,64(1):17-20.
7Wiltse LL, Newman PH, MacNab I. Classification of spondylolysis and spondylolithesis [J]. Clin Orthop, 1976,117:23-25.
8Marchetti PG, Bartolozzi P,Spondylolisthesis: modern trends in orthopaedic surgery [J]. Bologna, 1999,82: 165-168.
