CerviHFENet: hybrid feature extraction-based deep learning for multi-label classification of upper cervical spine abnormalities in X-ray imaging. - Zixuan Wang; Cheng Zhang; Xuemei Zhu; Kai Niu 001; Shanshan Liu; Shenglin Wang; Xingyu Zhou; Dingben Wang; Nanfang Xu; Zhiqiang He 001 (BMC Medical Imaging, 2026)