The objective is to compare three different ultrasmall superparamagnetic iron oxides (USPIOs) for magnetic resonance (MR) imaging of normal bone marrow in rodents.
University of California at San Francisco Medical Center, Department of Radiology, S-372, Center for Pharmaceutical and Molecular Imaging, 513 Parnassus Avenue, San Francisco, CA 94143, USA. gsimon@radiology.ucsf.edu