均方根位移
Results The main signs of brachial plexus pre-ganglionic injury were lack of nerve root, post-traumatic spinal meningocele, displacement and deformity of spinal cord, and "black line" sign.
结果臂丛神经节前损伤的主要征象是神经根缺失及走行异常;创伤性脊膜囊肿;
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