经伤椎椎弓根植骨结合膨胀型椎弓根钉固定治疗老年性胸腰椎骨折
경상추추궁근식골결합팽창형추궁근정고정치료노년성흉요추골절
Transvertebral bone grafting combined inflating pedicle screws internal fixation for thoracolumbarfracture in eldly patients