9Matsuzaki H, Tokuhashi Y, Matsumoto F, et al.Problems and solutions of pedicle screw plate fixation of lumbar spine. Spine 1990;15(11):1159-1165.
10McLain RF, Sparling E, Benson DR, Early failure of short-segment pedicle instrumentation for thoracolumbar fractures. A preliminary report, J Bone Joint Sure Am 1993;75(2): 162-167.