Preoperative evaluation of C2 pedicle screw placement using a deep learning model: Development and validation study. - Bao, Junhao; Wang, Wei; Wu, Yuelin; Ren, Hao; Liang, Zhaoquan; Xiao, Qiang; Wang, Yeyang; Jing, Fengshi; Cheng, Weibin; Zhang, Li (PLoS ONE, 2026)