后路椎弓根内固定结合椎体成形术治疗老年胸腰段脊柱骨折临床观察
후로추궁근내고정결합추체성형술치료노년흉요단척주골절림상관찰
Posterior pedicle screw fixation with vertebroplasty for thoracolumber fractures in the senior
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