Titton Ross L, Gervais Debra A, Boland Giles W, Maher Michael M, Mueller Peter R
Department of Radiology, Division of Abdominal Imaging and Intervention, Massachusetts General Hospital, 55 Fruit St., White 270, Boston, MA 02114, USA.
AJR Am J Roentgenol. 2003 Jul;181(1):267-71. doi: 10.2214/ajr.181.1.1810267.