8An HS,Singh K,Vaccaro AR,et al.Biomechanical evaluation of contemporary posterior spinal internal fixation configurations in an unstable burst-fracture calf spine model:special references of hook configurations and pedicle screws [J].Spine,2004,29(3): 257-262.
9Irwin ZN, Arthur M, Mullins RJ, et al. Variations in injury patterns, treatment, and outcome for spinal fracture and paralysis in adult versus geriatric patients[J].Spine,2004,29: 796-802.
