方法回顾分析23例游离齿突小骨患者，其中10例有明确的外伤史。

Methods 23 patients with os odontoideum, 10 of whom had a history of definite lesion, were reviewed retrospectively.

youdao

方法回顾分析23例游离齿突小骨患者，其中10例有明确的外伤史。

Methods 23 patients with os odontoideum, 10 of whom had a history of definite lesion, were reviewed retrospectively.

youdao