一期前后联合手术减压固定治疗严重下颈椎骨折脱位效果观察
일기전후연합수술감압고정치료엄중하경추골절탈위효과관찰
The Dislocation Efficacy of Ⅰ Before and After Surgical Decompression and Fixation in Combined Treatment With Severe Lower Cervical Fracture