Vertebral body width and interpedicular distance were recorded as internal standards to control for varying vertebral size.
同时记录椎体宽度及椎弓根间距作为内参照，以排除不同椎体大小的影响。
Vertebral body width and interpedicular distance were recorded as internal standards to control for varying vertebral size.
同时记录椎体宽度及椎弓根间距作为内参照，以排除不同椎体大小的影响。
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