5[1]Fritsch EW,Heisel J,Rupp S.The failed back surgery syndrom reasons,intraoperative findings and long-term results:A report of 182 operative treatments.Spine[J],1996,21(5):626-633.
6[2]Saal JA.Natural history and nonoperative treatment of lumbar disc herniation[J].Spine,1996,21(24s):2s-9s.
7[3]Herron LD,Turner JA,Novell LA,et al.Patient selection for lumbar discectomy with a revised objective rating system[J].Clin Orthop,1996,325:148-155.
8[4]Hasenbring M,Mariefeld G,Kuhlendahl D,et al.Risk factors of chronicity in lumbar disc patients:A prospective investigation of biologic,psychologic and social predictors of therapy outcome[J].Spine,1994,19(24):2759-2765.
9[5]Spengler DM,Ouellette EA,Batie E,et al.Elective discectomy for herniation of a lumbar disc[J].J Bone Joint Surg,1990,72A(2):230-237.
10[6]Junge A,Dvorak J,Ahrens S.Predictors of bad and good outcome of lumbar disc surgery:A prospective clinical study resulting in recommendations for screening to avoid bad outcome[J].Spine,1995,20(4):460-468.