%0 Journal Article %T Optimal Labeling Dose, Labeling Time, and Magnetic Resonance Imaging Detection Limits of Ultrasmall Superparamagnetic Iron-Oxide Nanoparticle Labeled Mesenchymal Stromal Cells %A Anders Bruun Mathiasen %A Louise Hansen %A Tina Friis %A Carsten Thomsen %J Stem Cells International %D 2013 %I %R 10.1155/2013/353105 %U http://dx.doi.org/10.1155/2013/353105