6Pfirrmann CW, Metzdorf A, Zanetti M, et al. Magnetic resonance classification of lumbar intervertebral disc degeneration. Spine, 2001,26 : 1873-1878.
7Gruber HE, Ingrain JA, Norton HI, et al. Senescence in cells of the aging and degenerating intervertebral disc: immunolocalization of senescence-associated beta-gaiactosidase in human and sand rat discs. Spine, 2007, 32:321-327.
8Kroeber MW, Unglaub F, Wang H, et al. New in vivo animal model to create intervertebral disc degeneration and to investigate the effects of therapeutic strategies to stimulate disc regeneration. Spine, 2002,27:2684-2690.
9Sullivan JD, Farfan HF, Kahn DS. Pathologic changes with intervertebral joint rotational instability in the rabbit. Can J Surg, 1971,14:71-79.
10Wada E, Ebara S, Saito S, et al. Experimental spondylosis in the rabbit spine: overuse could accelerate the spondylosis. Spine, 1992, 17 Suppl 3: 1-6.
