Detection Sensitivity of MRI Using Ultra-Small Super Paramagnetic Iron Oxide Nano-Particles (USPIO) in Biological Tissues. - Mohammad Ali Oghabian; Massomeh Guiti; Payman Haddad; Nahid Gharehaghaji; Reza Saber; Nader Riahi Alam; M. Malekpour; B. Rafie (EMBC, 2006)