title: Positive contrast technique for the detection and quantification of superparamagnetic iron oxide nanoparticles in MRI.
authors.affiliation: Department of Physics and Astronomy, BioImaging Research Center, University of Georgia, Athens, GA 30602, USA.
authors.forename: Qun
authors.initials: Q
authors.lastname: Zhao
authors.forename: Jason
authors.initials: J
authors.lastname: Langley
authors.forename: Sunbok
authors.initials: S
authors.lastname: Lee
authors.forename: Wei
authors.initials: W
authors.lastname: Liu