Extracellular Volume Fraction Derived From Dual-Layer Spectral Detector Computed Tomography for Diagnosing Cervical Lymph Nodes Metastasis in Patients With Papillary Thyroid Cancer... oleh Yan Zhou, Di Geng, Guo-Yi Su, Xing-Biao Chen, Yan Si, Mei-Ping Shen, Xiao-Quan Xu, Fei-Yun Wu