8Atlas SJ,Kefler RB,Robson D,et al.Surgical and nonsurgical management of lumbar spinal stenosis:Four-year outcomes from the main lumbar spine study[J].Spine,2000,25(5):556-562.
9Mariconda M,Fava R,,Gatto A,et al.Unlaeral laminectomy for bilateral decompression of lumbar spinal stenosis: a prospective stury wit h conserwtively treated patients[J].J Spinal Disord Tech,2002,15(1):39-46.