El-Khoury Georges Y, Madsen Mark T, Blake Meghan E, Yankowitz Jerome
Department of Radiology, The University of Iowa, Roy J. and Lucille A. Carver College of Medicine, 200 Hawkins Dr., Iowa City, IA 52242, USA.
AJR Am J Roentgenol. 2003 Aug;181(2):335-40. doi: 10.2214/ajr.181.2.1810335.