Conclusion: AF pedicle screw system might be a good treatment method for thoracolumbar fracture-dislocation.
结论：AF椎弓根钉系统是治疗胸腰推骨折脱位的一种好方法。
Detection of the fracture-cave system is a worldwide difficult problem.
其缝洞检测是一个世界性的难题。
Detection of the fracture-cave system is a worldwide difficult problem.
其缝洞检测是一个世界性的难题。
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