Fluorine-18-FDG PET and iodine-123-IMT SPECT in the evaluation of brain tumors - Weber, W; Bartenstein, P; Gross, MW; Kinzel, D; Daschner, H; Feldmann, HJ; Reidel, G; Ziegler, SI; Lumenta, C; Molls, M; Schwaiger, M (J Nucl Med, 1997)