Fluorine-18, PET, System A amino acid transport, Tumor imaging, [(18)F]FAMP, [(18)F]MeFAMP, Amino Acids, Branched-Chain, Aminoisobutyric Acids, Animals, Biological Transport, Brain, Cell Line, Tumor, Humans, Mice, Positron-Emission Tomography, Propionates, Stereoisomerism
