Diffusion-Weighted Imaging (DWI) derived from PET/MRI for lymph node assessment in patients with Head and Neck Squamous Cell Carcinoma (HNSCC). - Freihat O; Pinter T; Kedves A; Sipos D; Cselik Z; Repa I; Kovács Á (Cancer imaging : the official publication of the International Cancer Imaging Society, 2020)