3[3]Chazal J, Tanguy A, Bourges M. Biomechanical properties of spinal ligaments and a histological study of the supraspinal ligament in traction [ J ]. Journal of B iomechanics, 1985,8:167 - 169
4[8]Okada K, Oka S, Tohge, et al. Thoracic myelopathy caused by ossification of the ligamentum flavum[J]. Spine, 1991,16:280 - 283
5[9]Mine T,Kawal S. Ultrastructural observation on the ossification of the supraspinous ligament [ J ]. Spine, 1995,20:297 - 300
6[10]Burger M,Sherman BS,Sobel AE. Observation of the influence of chondroitin sulfate on the rate of bone repair[ J ]. Journal of Bone and Joint Surgery, 1962,44B :675 - 676
7[11]Yahia LH, Garzon S, Strykowskl H,et al. Ultrastructure of the human interspinous ligament and ligamentum flavum [J]. Spine,1990,15:262 - 263
