Radiographic parameters and feasibility analysis of dual sacral-2 alar-iliac screw fixation using three-dimensional digital technology. - Xie, Mengqi; Chen, Chao; Sun, Xun; Dong, Xiaoman; Wang, Zhi; Zhao, Dong; Liu, Gang; Zhu, Shan; Xu, Baoshan; Zhao, Yu; Ma, Xinlong; Yang, Qiang (BMC Musculoskeletal Disorders, 2025)