后路椎弓根螺钉内固定合并椎间融合术治疗腰椎不稳症的临床观察
후로추궁근라정내고정합병추간융합술치료요추불은증적림상관찰
The clinical observation of transpedicular screw fixation and posterior lumbar interbody fusion in the treatment of lumbar instability
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