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Purpose To use 19F imaging tracer (19FIT-27) to evaluate kinetics in major organs. Introduction Kinetics studies using proton MRI are difficult because of low concentration of 19FIT-27 protons relative to background water protons. Because there is no background source of 19F NMR in a biological body, 19F may be an ideal nucleus to directly trace 19FIT-27. However, there are several challenges for...