Shankar Sridhar, vanSonnenberg Eric, Silverman Stuart G, Tuncali Kemal, Morrison Paul R
Department of Radiology, Brigham and Women's Hospital, and Dana-Farber Cancer Institute, Boston, MA 02115, USA.
AJR Am J Roentgenol. 2003 Aug;181(2):475-7. doi: 10.2214/ajr.181.2.1810475.