68Ga-DOTA-Tyr3-Octreotid PET for assessing response to somatostatin-receptor-mediated radionuclide therapy - Gabriel, M; Oberauer, A; Dobrozemsky, G; Decristoforo, C; Putzer, D; Kendler, D; Uprimny, C; Kovacs, P; Bale, R; Virgolini, IJ (J Nucl Med, 2009)