Biomechanical evaluation of In-Out-In pedicle screws for atlantoaxial posterior fixation in the presence of high-riding vertebral artery and narrow C2 pedicles: a finite element analysis. - Lian, Xiong-han; He, Wen; Sun, Wen-jia; Lin, Xu-chao; Xue, Huo-huo; Zeng, Zhi-feng; Chen, Yu-fan; Chen, Ming-di; Wei, Feng-guang; Wang, Zhi-qiang; Ruan, Hong-liang; Luo, Zi-qi; et al. (Journal of Orthopaedic Surgery & Research, 2025)