参考
1. Wu X, Shi J, Wu J et al. Pedicle Screw Loosening: The Value of Radiological Imagings and the Identification of Risk Factors Assessed by Extraction Torque During Screw Removal Surgery. J Orthop Surg Res. 2019;14(1):6. doi:10.1186/s13018-018-1046-0 - Pubmed