4Gelalis ID,Stafilas KS,Koromp ilias AV,et al.Decompressive surgery for degenerative lumbar spinal stenosis:long-term results[J].Int Orthop,2006,30(1):59.
5Daltroy L,Cators W,Katx J.The North American Spine Society lumbar spine ontcormes assessment insmanents:Relabilty and validity treats[J].Spine,1996,21(4):741.
6Suk S,Lee CK,Kim WJ,et al.Adding posterior lumbar interbody fusion to pedicle screw fixation and posterolateral fusion after decompression in spondylolytic spondylolisthesis J[J].Spine,1997,22(2):210-220.
7Katz JN,Lipson SJ,Lew RA,et al.Lumbar laminectomy alone or with instrumented or non-instrumented arthrodesis in degenerative lumbar spinal stenosis[J].Spine,1997,22(10):1123.