The pons as an optimal background reference region for spinal 18F-FET PET/MRI evaluation. - Huang, Jing; Wang, Jiyuan; Cui, Bixiao; Yang, Hongwei; Tian, Defeng; Ma, Jie; Duan, Wanru; Chen, Zan; Lu, Jie (EJNMMI Research, 2024)