机译：The efficacy of pedicle screw instrument in treatment of irreducible atlantoaxial dislocation
Ping Le Orthopaed Hosp, Spinal Surg Ctr, Shenzhen 518001, Guang Dong, Peoples R China;
Peoples Hosp Zhangqiu, Dept Orthoped, Jinan 250200, Shandong, Peoples R China;
Chinese Acad Sci, Shenzhen Inst Adv Technol, Translat Med R&D Ctr, Shenzhen 518055, Peoples R China;
Atlantoaxial dislocation; Pedicle screw; Posterior arch; Screw fixation;
