Vahid Ravanfar Chief Research Tech Supervisor UCSF Profile Publications Comparing Dual Shimming with Average Single Shimming on Fat Suppression Techniques. ISMRM. 2023 Comparing Feet First vs. Head First Positioning Coverage for a Whole Body PET/MR Study ISMRM, 2018 Positioning Focus Shim In Phase Direction Impacts Image Quality In DWI Sequences. ISMRM. 2019 Reducing motion artifacts on abdominal PET/MR images. ISMRM 2022 First-in-human immunoPET imaging of HIV-1 infection using 89Zr-labeled VRC01 broadly neutralizing antibody. See All Publications