7Nakai O, Ookawa A, Yamaura I. Long - term roentgenographic and?functional changes in patients who were treated with wide fenestration for central lumbar stenosis[ J]. J Bone Joint Surg Am, 1991, 73(8) :1184 -1191.
10Yorimitsu E, Chiba K, Toyama Y, et al. Long-term outcomes of standard discectomy for lumbar disc herniation: a follow-up study of more than 10 years [J] . Spine, 2001, 26:652 -657.
