00072J7XWS 1 Contrast Media 1 Germanium 1 Journal Article 1 Magnetite Nanoparticles 1 Radioisotopes 1 Research Support, N.I.H., Extramural 1 plus ... Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 chelator-free radiolabeling 1 germanium-69 1 iron oxide nanoparticles 1 multimodality imaging 1 positron emission tomography/magnetic resonance (PET/MR) imaging 1 moins ...