Liu Wei, Hao Guiyang, Long Michael A, Anthony Tiffani, Hsieh Jer-Tsong, Sun Xiankai
Department of Radiology and Advanced Imaging Research Center, University of Texas Southwestern Medical Center, Dallas, TX 75390-8542, USA.
Angew Chem Int Ed Engl. 2009;48(40):7346-9. doi: 10.1002/anie.200903556.