Ahn, S., Cheng, L., Shanbhag, D., Qian, H., Kaushik, S., Jansen, F., & Wiesinger, F. (2018). Joint estimation of activity and attenuation for PET using pragmatic MR-based prior: application to clinical TOF PET/MR whole-body data for FDG and non-FDG tracers. Physics in Medicine and Biology. https://doi.org/10.1088/1361-6560/aaa8a6 (Original work published 2018)