Bender G N, Maglinte D D, Klöppel V R, Timmons J H
Armed Forces Institute of Pathology, Radiology-Pathology Division (GI), Walter Reed Army Medical Center, Washington, DC 20878, USA.
AJR Am J Roentgenol. 1999 Feb;172(2):373-8. doi: 10.2214/ajr.172.2.9930786.