.Insertion torque and pull-out strength of expansive spinal fixation system(ESFS) pedicle screws in human vertebral bodies:biomechanical study for pedicle screw revision[J].Chinese Journal of Spine and Spinal Cord,2005,(7):.
Insertion torque and pull-out strength of expansive spinal fixation system(ESFS) pedicle screws in human vertebral bodies:biomechanical study for pedicle screw revision