Monocrystalline iron oxide nanocompounds (MION): Physicochemical propertiesTueng T. Shen, Thomas J. Brady, Ralph Weissleder et al.|Magnetic Resonance in Medicine|1993Cited by 501
Long-circulating iron oxides for MR imagingRalph Weissleder, Mikhail Papisov, Alexei Bogdanov et al.|Advanced Drug Delivery Reviews|1995Cited by 400