Sometimes additional fixation is used by inserting screws through the cage.
有时，通过骨笼植入螺钉做附加的固定。
The risk of inserting bicortical C1-C2 transarticular and C1 lateral mass screws was estimated based on these measurements.
在这些测量上评估经C1-2关节双侧皮质螺钉及C1外侧块螺钉固定的风险。
The risk of inserting bicortical C1-C2 transarticular and C1 lateral mass screws was estimated based on these measurements.
在这些测量上评估经C1-2关节双侧皮质螺钉及C1外侧块螺钉固定的风险。
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