研究目的：描述寰枕关节分离损伤后的生存率和结局。

Objective. To describe survival and outcomes after occipitocervical dissociation injuries.

youdao

研究目的：描述寰枕关节分离损伤后的生存率和结局。

Objective. To describe survival and outcomes after occipitocervical dissociation injuries.

youdao