Harisinghani M G, Saini S, Hahn P F, Weissleder R, Mueller P R
Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
Acad Radiol. 1998 Apr;5 Suppl 1:S167-9, discussion S183-4. doi: 10.1016/s1076-6332(98)80095-0.