Objective To evaluate the primary outcome of posterior cervical lateral mass fixation.

目的评估经颈椎后路固定术的近期疗效和安全性.

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The medial - oblique angle and upslope angle of axial lateral mass screw were 6.0? ? and 59.0? ? respectively.

枢椎侧块螺钉的内斜角度和上斜角度平均分别为6.0°和59.0°.

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The medial - oblique angle and upslope angle of axial lateral mass screw were 6.0 and 59.0 respectively.

枢椎侧块螺钉的内斜角度和上斜角度平均分别为6.0和59.0.

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