5Ahlgren BD, Lui W, Herkowitz HN, et al. Effect of anular repair on the healing strength of the intervertebral disc: a sheep model. Spine, 2000, 25 (17) :2165 - 2170.
7Zippel H. "Charite modular"concept, experience and results,in Brock M, Mayer HM, Weigel K (eds) : The Artificial Disc [M ]. Berlin : Springer-Veriag, 1991.69-77.
8Griffith SL,Shelokov AP,Buttner-Janz k , et al. A multicenter retrospective study of the clinical results of the Link SB. Charite intervertebral prosthesis.The initial experience[J]. Spine 1994,9: 1842-1949.
9Diwan AD, Pavalaneni HK, Khan SN, et al. Current concepts in intervertebral disk restoration[J]. Orthopedic Clinics of North America, 2000, 31 (3): 464-470.
10Kadoya k, kotaniy, Abumi k ,et al. Biomechanical and morphologic cvaluation of a three-dimensional fabric sheep artificial intervertebral disc :In Vitro and in Vivo analysis[J]. Spine, 2001,26(14) :1562-1569.
