7INOUE S, WATANABE T, GOTO S, et al. Degenerative spondylolisthesis pathophysiology and results of anterior interbody fusion [J]. Clin Orthop Relat Res, 1988,227: 90-98.
8GROBLER L J, ROBERSON P A, NOVOTNY J E, et al. Etiology of spondylolisthesis: assessment of the role played by lumbar facet joint morphology [J]. Spine, 1993,18 (1): 80-91.
9NIZARD R S, WYBIER M, LAREDO J D. Radiologic assessment of lumbar intervertebral instability and degenera- tive spondylolisthesis[J]. Radiol Clin North Am, 2001,39 (1):55-71.
