Zhao Ming, Josephson Lee, Tang Yi, Weissleder Ralph
Center For Molecular Imaging Research, Massachusetts General Hospital, Harvard Medical School, Building 149, 13th Street, Room 5403, Charlestown, MA 02129, USA.
Angew Chem Int Ed Engl. 2003 Mar 28;42(12):1375-8. doi: 10.1002/anie.200390352.